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US 2234587 A Abstract available in Claims available in Description (OCR text may contain errors) March 11, 1941. H. T. BUDENBOM RADIO DIRECTION FINDING SYSTEM I Filed Sept. 23, 1938' s Sheets-Sheet 1 //VVENTOR H r BUDENBOM ATTORNEY March 11, 1941. H. 1'. BUDENBOM RADIO DIRECTION FINDING SYSTEM Filed Sept. 23, 1938 6 Sheets-Sheet 2 INVENTOR By H 7. BUDENBOM k v 5335 xuzmauumm ATTORNEY RADIO DIRECTION FINDING SYSTEM Filed Sept. 25, 1938 FIG: 4 6 Sheets-Sheet 3 lNl EN7'OR H. 7. BUDENBOM A 7' TORNEV 6 Sheets-Sheet 5 H. T. BUDENBOM Filed Sept. 23, 1938 March 11, 1941. RADIO DIRECTION FINDING SYSTEM lNl/ENTOR H. 7. BUDE/VBOM ATTORNEY R 3 mm 5 i vflw Wm N9 mm mm EM UK March 11, 1941. H. 1'. BIJDENBOM 2,234,587 RADIO DIRECTION FINDING SYSTEM INVENTOI? H. 7; BUDENBOM A TTORNEV Patented Mar. 11, 1941 UNITED STATES RADIO DIRECTION FINDING SYSTEM Horace T. Budenbom, Short Hills, N. J assignor to Bell Telephone Laboratories, Incorporated, New York, N. Y., a corporation of New York Application September 23, 1938, Serial No. 231,333 Claims. This invention relates to improved radio direction-finding systems and apparatus therefor. More particularly, it relates to improved radio direction-finding systems and apparatus therefor to determine instantaneously and without ambiguity the direction from which a radio wave approaches the receiving station of the system by comparing the relative characteristics of certain components of the wave, the components being obtained by receiving the wave on several antenna systems, the several antenna systems having predetermined characteristics and orientations. The systems of the invention may, furthermore, be readily adapted to provide directional indications at points remote from the receiving apparatus of the system. Broadly stated, the method of directional determination proposed in this invention contemplates receiving a radio wave on a plurality of directional antennas or antenna arrays, said antennas or antenna arrays having particular directional properties which impart phase and amplitude variations to the components of the radio wave received by them, the variations being a function of the direction from which the radio wave approaches the particular antenna or array. The directional antenna systems employed in the specific embodiments of this invention disclosed hereinafter are of the type in which signals received from one side of the antenna are 180 degrees out of phase with those received from the other side. It is obvious, however, as will become apparent during the course of the following description, that antenna systems having other phase characteristics may equally well be used. The several antennas or arrays are given different particular orientations, a symmetrical arrangement beingusually employed, so that the respective components of any given radio wave received by them will in general have different phases and amplitudes and a comparison of the phases and amplitudes of the several components will indicate the direction from which the radio wave approaches the antennas. To facilitate this comparison each component of the radio wave after being received is modulated by a low frequency. Preferably difi'erent low audible or sub-audible frequencies are employed for each component, for purposes of ready identification, to permit the use of a single detector for all components and to avoid the duplication of other apparatus and circuits, as will become apparent hereinafter. These low frequencies will, for convenience, be referred to-as poling frequencies. . In the specific embodiments illustrated, balanced modulators are employed so that the radio and poling frequencies balance out and the side-band frequencies, only, appear in the modulator output, provided the balance of the modulator is maintained. It is obviously feasible to employ any of numerous other well-known modulating means and to select at the output thereof, by means of appropriate filters or selective networks, the desired side-bands. By reintroducing an appropriate carrier frequency the side-bands may be detected; The poling frequencies, modified in phase and am plitude to an extent determined by the particular radio wave component with'which each was combined in the process of modulation, are thus again obtained The carrier frequency necessary for the process of detection may be obtained by receiving the radiowave on a simple non-directional antenna H and adjusting its phase, or the phase of the sidebands by 90 degrees, to avoid the quadrature relation which would otherwise exist, or an appropriate frequency mayv be locally generated and furnished to the detector with the sidebands. Having obtained the modified poling frequencies, each is introduced, in conjugate relation with energy of like frequency but of ap-- proximately the original phase and amplitude of the particular poling frequency, in a common frequency, conjugate input, balanced demodulator. The phase relation between the detected and the original poling frequency, in the case of each poling frequency, determines the ,polarity, and the amplitudes of the two determine the magnitude, of the direct electromotive force developed in the output of the balanced demodulator associated therewith. Thesedernodulators are arranged to rectify the applied frequencies so that their outputs may be more readily comparedand a relatively steady indication obtained. In the particular systems to be described, the phase change is a simple sense reversal as the orientation varies. The direct electromotive forces developed in the several demodulators are then applied to an indicating device, such as a cathode ray oscillograph, having a pair of deflecting plates for each electromotive force, the arrangement of the several pairs of deflecting plates preferably corresponding to that of the several directional antenna systems from the signals of which the polingfrequencies derive their directional characteristics, respectively. The device will then indicate the relative polarities and magnitudes of the above-mentioned direct electromotlve forces in proper relation to each other, from which indication the direction of the received signals will usually be apparent. When a cathode ray oscillograph is employed, as above sug gested, and the pairs of deflecting plates are arranged (as is also suggested as preferable above), in the same manner as the directional antennas with which the respective poling frequencies are associated, the position to which the ray is deflected may readily be made to directly indicate the direction from which the radio wave approaches the antennas. A line pointing toward the transmitting station may be obtained by blocking the balanced demodulators simultaneously in the order of ten or more times per second. If this is done, the ray of the oscillograph will return each time thedemodulators are blocked to its central, or no signal, position and thus trace the desired line. With either a symmetrical or non-symmetrical system a calibrated scale may be furnished with the indicating device from which the direction of the received signal may be read. The specific embodiments of the invention employed for illustrative purposes herein comprise quadrature systems, that is, systems employing two directional antennas or antenna arrays in quadrature relation. Such systems employ two poling frequencies and two pairs of deflecting plates of the cathode ray indicator, placed in space quadrature relation. It is obvious that more complex systems, for example, a, hexagonal system employing three antenna systems in hexagonal relation, with three poling frequencies and a cathode ray indicator having three pairs of deflecting plates also placed in hexagonal relation with the appropriate apparatus associated with each antenna system as for the quadrature system could readily be devised by one skilled in the art and such a system would represent but another embodiment of the principles of this invention. Also where maximum accuracy and sensitivity to waves approaching from particular areas are desired unsym'metrically arranged antenna arrays may well be employed. In such instances the arrangement of the cathode ray deflection plates may be similar to that of the antenna systerms or a symmetrically arranged cathode ray tube may be specially calibrated to indicate positions within the limited area of particular in- 'terest. An increase in the complexity of the system tends to eliminate areas in which the accuracy or sensitivity of the system may be impaired because of broad minimum or maximum response characteristics of the component antenna arrays. On the other hand it introduces additional apparatus with a corresponding increase in the number of apparatus difficulties which may be encountered. While the specific embodiments disclosed hereinafter are designed to indicate the azimuth angle of the transmitting station with respect to the receiving station, it is obvious that by merely turning the antenna system so that its central horizontal plane is perpendicular to the earths surface the system may be employed to obtain the vertical angle at the receiving station, of an aircraft in a known vertical plane with respect to the surface of the earth. By the use of auxiliary antenna systems of this character ground 'tion which has been modified so that the indicatstation observations may be used to determine the altitude of aircraft. A large number of radio direction-finding systems have been suggested heretofore. Numerous difiiculties giving rise to incorrect indications 5 have been encountered in these systems. Such difficulties include night errors, ambiguity of indication, inequality of amplification and/0r phase shift within the system for systems in which several components are compared, broadl0 ness of indication, probable errors in manipulation and others. It is a primary object of this invention to provide a radio direction-finding system which will be substantially free from error and ambiguity. 15 A further object is to provide an automatic system requiring no manipulation to obtain the directional indication. A further object is to provide an accurate, direct and instantaneous indication of the direc- 20 tion of the transmitting station from which radio waves are being received. A further object is to provide systems in which the indicating devices may conveniently be located at points far removed from the receiving 25 stations. A further object is to provide systems in which directional indications may be furnished mobile craft with a minimum amount of apparatus on the craft. 30 Other objects will appear during the course of the following description and in the appended claims. In the accompanying drawings: Fig. 1 illustrates, in schematic diagram form, 35 one embodiment of a system employing the principles of this invention; Fig, 2 illustrates, in schematic diagram form, a second embodiment of a system of this inven- 4 ing device may more conveniently be located at 0 a point far removed from the receiving station; Fig. 3 illustrates an antenna arrangement employing dipole antennas, the arrangement being suitable for use with systems of this invention, and being designed to operate on the vertically polarized component of the received electromagnetic waves; Fig. 4-. shows an alternative antenna arrangement differing from that of Fig. 3 chiefly in that 50 Marconi antennas are employed in place of dipole antennas; Fig. 5 shows a suitable horizontal plan view of the antennas of Figs, 3 and 4, and also illustrates an appropriate method of locating a local .55 test transmitter for checking and aligning the channels of the system carrying different components of the received signal Wave; Fig. 6 illustrates an antenna arrangement, suitable for use with systems of this invention, 60 differing from the arrangement in Fig. 3 principally in that it is designed to operate on the horizontally polarized component of the electromagnetic wave; Fig. 7 illustrates, in diagrammatic form, the system for furnishing a directional indication to a mobile craft, contemplated in connection with this invention; Figs. 8 and 9 illustrate additional and alternative methods for obtaining appropriate phase relations between non-directionally and directionally received signal components; Fig. 10 illustrates a balanced modulator circuit in which the gain of each side of the circuit is independently controlled by automatic means to maintain the two sides of the circuit in balance; and Fig. 11 illustrates a signal controlled relay circuit which short-circuits the inputs of the indicator when no signals arebeing received. In the system of Fig. 1, antennas 24 and 25 are of the dipole type and are arranged in pairs to provide directional antenna systems of the well-known Adcock type. The antenna arrangement is completed by a simple non-directional antenna 30. Several appropriate antenna arrangements for the systems of this invention will be discussed in detail hereinafter in connection with Figs. 3 to 6, inclusive. Referring again to Fig. 1, the energy received on each pair. of dipole antennas 24 and 25 is passed through transformers 20 to balanced modulators 26 and 28, respectively. Transformers 20 are provided with inter-winding electrostatic shields 2|, the use of which iswell known in the art. The secondary circuit of each transformer is tuned to the frequency of the electromagnetic Wave, whose direction isto' be determined, by a variable condenser 22. Series condensers 23 permit the passage of the received radio frequencies but block lower frequencies fromthe antenna circuits. The energy from the respective antenna pairs 24 and 25 is modulated, in each instance, by a different lowfrequency, commonly-"designated as a polin'g frequency. Suitable low frequencies are generated by oscillators 21 and 29, respectively. 7 I To be suitable for this purpose, the two low frequencies chosen should preferably not be harmay cause objectionable cross-talkinto thecircults ofthe other. 'While this difficulty may be minimized by shiftingthe phase of one low fre quency to be in quadrature with the other, it is preferable to avoid it if conveniently possible. The two frequencies should differ sufficiently in frequency so that filters to separate them may be readily designed and constructed, I They should be of suificiently low frequency that they may readilybe transmitted over ordinary communica tion circuits of great length and should preferably not fall within the band of frequencies usually employed in transmitting speech so that theoperation of the system will not be affected by the presence of speech modulations of the wave whose direction is being determined. A second reason for employing frequencies other than those within the band usually employed for speech is that then the same circuit between the receiving and indicating apparatus of the system may carry both the directional signals and, in addition, speech currents for communication between 'per sons located at the two points. Obviously, the oscillators 21 and 29 may be replaced by any other devicescapable of generating currents of suitable low frequencies. Frequencies between 10 and 500 cycles per second have been found suitable for this use, bearing in mind the several desiderata involved. Resistances pad the respective oscillator impedances to an appropriate value for use in the grid circuits of the balanced modulator tubes 26 and 28'. Appropriate grid bias 5! for the balanced modulatortubes may be introduced as indicated between the mid-points of the outputs of the oscillators 21 and 29 and ground. As is well known with balanced modulators, such as 26 and'28 arranged as shown in Fig. 1, the radio frequency carrier and the low" modulating frequency will both balance out leaving in the output only the side-band frequencies, that is, frequencies equal to that of the carrier plus and minus the low modulating frequencies. Should the modulators become unbalanced some radio and low frequency carriers will appear in the output. A novel method of maintaining the modulators in balance is described hereinafter in connection with Fig. 8. Theside-band frequencies provided by the modulators will have phases and amplitudes determined by those of the original frequencies from which they were formed. Adjustable tuned circuits, comprising a coil 34 and a variable condenser 36 in parallel, included in each of the balanced modulator plate potential circuits, serve to exclude the alternating currents from the plate supply circuits and to enhance the amplification and selection of the incoming wave. As is well known, a carrier received on a loop antenna or on an array such as that indicated by the pairs of antennas 24 or 25 of Figs. 1 and 2, will be in quadrature with a carrier-received on a non-directional antenna such as antenna 38. In order to detect the side-bands in the radio receiver 62, the systems of Figs. 1 and 2 introduce, with the side-bands, carrier energy non-directionally received on antenna 30. To avoid the quadrature relation, as is obviously desirable, either the side-bands or the non-directionally received carrier must be given an additional QO-degree phase shift. To accomplish this, several artifices may be employed. One convenient method is illustratedinFigs. 1 and2 and two other methods are illustrated in Figs. 8 and 9. These latter will be described in detail hereinafter. The method of Figs. 1 and 2 consists of coupling two stages of side-band amplification, employing vacuum tubes 52 and 54, by a radio frequency choke coil 48 operated above its resonant frequency, that is, the frequency at which its distributed capacity, together with the circuit capacity, resonates with its inductance, In such an arrangement the choke coil 48 provides a direct current path for theplate supply current and, at the radio frequencies employed, appears as a capacitative reactance. Its resonant. frequency, above mentioned, should be sufficiently lower than the radio frequencies employed so' that at the latter fre quencies the phase angle of the choke coil when shunted by the tube and wiring capacity in the circuit is within approximately 10 degrees of that of a pure capacitative reactance. The number of stages of amplification employed and the gain to be introduced by them is, of course, Within wide limits, optional and is determined in general by the strength of the re ceived radio waves whose direction it is desired to determine. In the systems of Figs. 1 and 2 the two sets of side-band frequencies pass through a modulator and two stages of amplification comprising, in addition to the modulating circuits described above, coupling condensers 4B and couplingresistors 42, vacuum tubes 52 and 54 and appropriate sources of plate and grid potentials 56 and 51, respectively. Representations of cathode heating current sources have been omitted to avoid further complication of the drawing. Any of the well-known conventional means of heating the cathodes of vacuum tubes in similar circuits may be employed. The non-directionally received carrier from antenna 30 is passed through three tuned stages of amplification comprising antenna transformer i3! and tuning condenser 32, interstage coupling resistors 42, vacuum tubes 50, '52 and 54 and appropriate sources of plate and grid potentials 56 and 51, respectively. Cathode heating current sources have again been omitted to avoid unnecessary complication of the drawings, as above explained. Except for the 90-degree phase shift, deliberately introduced into each side-band circuit as above described, the three circuits should have substantially the same phase characteristics so that relative differences in phase of the several components received on the several antennas will be maintained until the components are combined and introduced into radio receiver 82. The two side-band amplitudes must be approximately equal at any 45-degree point, but the carrier amplitude should, to prevent over-modulation, be at least twice either side-band amplitude maximum. The radio receiver 62 is so designed and the modulating frequencies of oscillators 21 and 29 are so chosen that the side-bands formed in the outputs of both balanced modulator tubes 26 and 28 will, after detection in receiver 62, be passed with substantially equal amplification and phase shift so that the relative phases and amplitudes of the several components as originally received will be maintained. Receiver 62 detects the input signal and its output comprises the low frequencies of oscillators 21 and 29 modified in phase and amplitude by the respective components of the directionally received radio frequency waves with which each was associated. Band-pass filter 64 selects the frequency generated by oscillator 21 and band-pass filter 68 selects that of oscillator 29. The output of filter 64 is introduced through transformer 'Hl into the input circuit of the common-frequency, conjugate-input, balanced demodulator circuit including vacuum tube 82. Energy of like frequency but having the phase of the original low modulating frequency is introduced directly from oscillator 21 into a portion of the grid filament circuit of vacuum tube 82 common to both grids. The amplitude impressed on the common leg should equal or exceed the maximum amplitude impressed on the input through transformer 18. The tube 82 should be biased as a demodulator. The relative poling of these two energies determines the sign of the voltage developed across resistors 92 in the plate circuits of vacuum tube 82. The amplitudes of these energies determine the magnitude of the latter voltage. Analogously the output of filter 68 and energy of like frequency from oscillator 29 are introduced into the input circuit of the common-frequency, conjugate-input, balanced demodulator circuit including vacuum tube 84 and by their relative polings determine the polarity of the voltage across resistances 92 in the plate circuits of vacuum tube 84 and by their amplitudes determine the magnitude of this voltage. The voltage developed across resistors 92 in the plate circuits of tube 82 is then impressed on deflecting plates 88 and that developed across resistors 92 in the plate circuits of tube 84 is impressed on deflecting plates 90 of the cathode ray tube 86. Oscillator 66 furnishes a low frequency current of the order of 10 cycles per second which acting through transformer 12, the balanced rectifier 88 and resistors 18, serves to block vacuum tubes 82 and 84 during half of each cycle of oscillator 66. The two secondary windings of transformer 12 should be poled'so that both sides of balanced rectifier 80 operate on the same half cycle. The interruption thus caused permits the cathode ray to return to its central position and the ray, therefore, traces a radial path extending from the center to a point determined by the relative polarities and magnitudes of the voltages developed across resistors 92 of vacuum tubes 82 and 84. Oscillator 66' and the apparatus immediately associated therewith may be omitted, if desired, in which case the ray will remain in its deflected position during the reception of the radio wave and a point indication will be obtained. Obviously, also other methods of interrupting the application of the potentials to the cathode ray tube deflecting plates may readily be devised, such for example as a mechanically rotating or oscillating four-circuit interrupter. From the above description of the circuit, it is apparent that the polarities of the voltages depend upon the phases of the signals received on antenna pairs 24 and 25 and the magnitudes of the voltages depend upon the amplitudes of these signals. Therefore, the angle of the radial line traced by the cathode ray, or its position of defiection if point indications are used, as above described, is an index of the direction from which the radio waves approach the antenna system. By placing an appropriate scale adjacent to the screen of the cathode ray tube, the direction or azimuth angle of the received signal may be directly read. The response of the system is automatic and effectively instantaneous. The indication is unambiguous and observational errors are not likely to occur. It should be noted that in the system of Fig. 1 to the right of the output side of the radio receiver 62 only the frequencies generated by oscillators 21 and 29 are employed. The significance of this is that the indicating apparatus and connecting circuits carry only low frequencycurrents', and the connecting circuits may, therefore, be almost indefinitely extended without serious difiiculties being encountered. The system of Fig. 1, as shown, requires three pairs of conductors to connect the receiving system with the indicating system. A particular advantage of the general system, however, is the relative ease with which it may be made to operate on a remote basis, using only one pair of gondlctors. One such arrangement is shown in mg. The arrangement of Fig. 2, then, differs from that of Fig. 1 primarily in the manner in which suitable low frequency modulating currents are supplied, the arrangement being such that the receiving apparatus to the left of line A--A is connected to the indicating apparatus to the right of 1line A-A by a single pair of conductors 13, on y. In Fig. 2 a suitable source of substantially constant frequency alternating current 59 of convenient frequency, such as 60 cycles per second, is selected. This source may, as Will be obvious from the following description, be located either at the indicating station as shown in Fig. 2 or at the receiving station, its location being solely a matter of convenience. In Fig. 2 the (SO-cycle source is connected through switch 59, frequency doubler 4 I, multivibrator 43, impedance matching resistors H, and low-pass filter 53 to line 13. The doubler 4| produces 120 cycles and the multivibrator 43 produces the fifth subharmonic, or 24 cycles, which has the advantage of having no harmonic relation to the 60-cycle source. High-pass filter 63 prevents this frequency (24 along conductor pair 9|, through a second lowpass filter 53 and along conductor pair I6 to frequency doubler 55. The output of frequency doubler 55 is 48 cycles which is again doubled in frequency doubler 49 to 96 cycles for use as one of the low frequency modulating currents and is employed in modulating tube 28 of Fig. 2 for that purpose. A portion of the output of frequency doubler 55 is led along conductor pair 11 to a frequency tripler 41, the output of which is 144 cycles used as the second low frequency modulating current, and is employed in modulating tube 26 of Fig. 2 for that purpose. The fourth and sixth harmonics are chosen rather than the second and third (the lowest inharmonic pair) for ease in filtering. Analogously, at the indicating apparatus, to the right of line A-A, the 24-.cycle current from multivibrator 43 enters frequency doubler 55 which produces 48 cycles which is then doubled by doubler 49 to produce the same frequency 96 1 cycles as is supplied to modulating tube 28. This frequency is then employed in the input circuit of tube 84. A part of the output of doubler 55 is also led along pair I9 to frequency tripler 41 to produce a current of like frequency, 144 cycles, as that supplied to modulating tube 26. This modified current is then introduced into the input circuit of tube 82. If necessary, phase ad- I justing networks may be employed at either the indicating or the receiving stations to maintain the reference frequencies in proper phase alignment. The output of radio receiver 62 includes, of course, low frequencies arising out of the modulating arrangements beginning in modulating tubes 26 and 28, respectively. The system is designed, therefore, so that these frequencies will not pass through low-pass filters 53 but will pass through high-pass filter63. Frequency doublers 4|, 49 and 55 may convem'ently be, for the particular arrangement shown in Fig. 2, push-pull vacuum tube circuits operated to produce second harmonics as described by C. H. W. Nason in Radio Engineering for August 1931 at page 23. Frequency triplers 41 may be of the types described in U. S, Patent 1,885,728, issued November 1, 1932, to C.- R. Keith, or in U. S. Patent 2,022,968, issued December 3, 1935, to D. T. May. Multivibrator 43 may be of the type described in U. S. Patent 2,022,969, issued December 3, 1935, to L. A. Meacham. Alternative systems for supplying the low frequency modulating currents, employing devices described in U. S. Patent 1,908,249, issued May 9, 1933, to A. Hund, or any one of numerous other frequency changing devices, including small motor-generator sets synchronously driven from a common alternating current supply of substantially constant frequency, may also obviously be readily devised, by one skilled in the art, in accordance with the principles above disclosed. From the above discussion and an inspection of Fig. 2, it is evident that the system of Fig. 2 operates in a manner equivalent to that of Fig. 1. Since, however, as above mentioned, only one pair of conductors is required by the system of Fig. 2 to connect the receiving apparatus of the system with the indicating apparatus and since only low frequencies need be transmitted over this pair of conductors, the indicating apparatus may readily be located at a point far removed from the receiving apparatus. Furthermore, the poling frequencies employed in Fig. 2 are well below the frequency band normally employed for speech'transmission so that simultaneous telephonic communication between the receiving and indicating stations may readily be provided overthe single pair connecting them. Obviously, also, systems employing the general principles of this invention, in which a radio communication channel is employed in place of the pair of conductors I3 can be readily devised. In such systems indicating apparatus can, for example, be placed on mobile craft to advise the craft, when transmitting radio signals, of their directions relative to the receiving station of the system and the directions of other mobile or fixed transmitting stations, during their respective transmitting periods, from the receiving station. The salient features of such systems are indicated in Fig. 7 in which I94 is a receiving station such as that to the left of line AA in Fig. 2. I96 is a radio transmitter, the carrier wave of which is modulated by the low frequency currents brought from directional receiving station I94 over conductor pair I95 upon which the directional characteristics of the components of the radiowave I93, received from an aircraft I90, have been impressed. The carrier emitted by transmitter I96 is also modulated by a base frequency, such as the 24-cycle frequency emdition be modulated by a band of voice frequencies for telephonic communication with the aircraft. If difiiculties are encountered because of interference between the signals transmitted from the craft to the receiving station and the signals transmitted from transmitter I96 to the craft, delay may be introduced by a time delay device 200 between the receiving station I94 and transmitter I96 so that the direction indicating signals will arrive at the mobile craft after transmission from the craft has ceased. The aircraft I90 should carry a radio receiver and detector I98 and-indicating apparatus I99 having essentially the features of the apparatus to the right of line A-A of Fig. 2. Obviously, the indicator on the aircraft may be made to show the bearing of the craft relative to the ground station I94. Also, the indicator may be poled in reverse sense to show the reciprocal bearings, that is, the bearing of the station relative to the plane. By obtaining bearings from several ground stations, the craft may readily determine its position. Where the ground stations have suitable auxiliary antenna systems, as mentioned above, the altitude of the craft mayalso be de-, termined. If speech is also transmitted to the craft, suitable selective networks to separate the speech and the directional signals from each other should be provided on the craft. Obviously, it is preferable that the carriers of radio waves I93 and I9! should differ-sufficiently infrequency to avoid interfering with each other. 7 Obviously, too, the features of the system indicated in Fig. '7 may be employed to simultane energy in these circuits. The arrangement of the antennas for the systems of Figs. 1 and 2 is indicated diagrammatically in Fig. 3 in which the two like Adcock systems comprising vertical dipole pairs 24 and vertical dipole pairs 25, respectively, are shown in quadrature relation and the non-directional antenna 30 is centrally located with respect to the directional antenna systems. The total height of each vertical dipole is preferably of the order of a quarter of the mean -wave-length on which the system is intended to operate. The centers of the dipoles may be at the same order of distance above the ground. Re- sults published by R. H. Barfield in 1935 in vol- 'ume 6'7 of the Journal of the British Institute of Electrical Engineers indicate that the standard wave error is inversely proportional to the ratio of the height of the lower ends of the dipoles above ground to the height of their mid-points above ground. The apparatus to the left of line A--A of Fig. 2, or the equivalent apparatus of Fig. 1, is preferably mounted in a centrally located housing also supported at the height of the dipole centers so that the leads I9 may be main tained in a common horizontal plane. To avoid distortion of the receiving characteristic of non-directional antenna 30, the lower half of antenna 30 is made hollow and power leads I8, and other leads to the apparatus, such as pair 13 of Fig. 3, in installations where the indicatin apparatus is remotely located, are passed through the lower half of antenna 30. Radio frequency chokes I! are placed in such leads to prevent the circulation and loss of radio frequency Non-directional antenna 30 is thus effectively made an elevated dipole. I The spacing of the antennas of Fig. 3 is usually determined chiefly with a View to obtaining a high degree of accuracy in the directional indications to be obtained by the system. From this standpoint, the diagonals of the square on whose corners the vertical dipole antennas 24 and 25 are placed may be of the order of one-tenth of the wave-length of the signals whose direction it is desired to determine. Should optimum sensitivity be desired the diagonals of the above-mentioned square should be increased to approximately one-quarter of the wave-length-of the signals whose direction it is desired to determine. Such spacing will involve some sacrifice in accuracy. Fig. 4 shows an alternative antenna arrangement employing Marconi antennas 24, 25 and 30 in place of the dipoles 24, 25 and 30 of Fig. 3 and permitting the receiving apparatus to be located on the ground. In this arrangement transformers [6 are introduced so that the horizontal leads from the antennas 24 and 25' may be balanced lines and the arrangement may, therefore, be made more closely equivalent to that of Fig. 3. Fig. 1 shows a suitable horizontal plan view of an antenna arrangement such as that of Fig. 3. In Fig. 5 in addition to the two Adcock antenna systems comprising antennas 24 and 25, respectively, and the non-directional antenna 30, there is shown a small local check transmitter Hill. The check transmitter I09 should be placed along one of the axes of equal receptivity for the two Adcock antenna systems which in Fig. 5 are the EW and NS axes. It may conveniently be at a distance of approximately one wavelength of the signals whose direction is to be determined and should when in operation produce a low field strength in order not to cause interference. Its field at the antennas 24 and 25 may well be of the same order as the minimum signal field strength on which bearings are to be taken. The function of the check transmitter, as its name implies, is to facilitate a calibration of the system by producing a signal of known directivity. By providing an emission strength of the order indicated, the check transmitter will cause minimum interference, and, in addition, the ability of the apparatus to take a satisfactory bearing on such a field provides a good operating sensitivity check. It should, of course, for systems employing vertical antennas, emit vertically polarized Waves. In Fig. 5 the figure 8 pattern aa represents the directive characteristic of antenna .pair 24 and b-b that of antenna. pair 25 when employed in their respective Adcock systems. In Fig. 6, as mentioned above, is shown a horizontal plan view of an arrangement of antennas suitable for use with systems of this invention. This arrangement of antennas is designed for operation with horizontally polarized waves. Since an appreciable number of aircraft employ trailing antennas of types which emit substantially horizontally polarized waves, it may obviously, in some instances be essential that direction-finding systems such as those of this invention be designed to efiiciently operate on such waves. The modifications necessary in an antenna arrangement such as that shown in Fig 3 to adapt it to use with horizontally polarized waves are relatively simple. In Fig. 6, for example, we find that the dipole antenna pairs 24" and 25 are equivalent in all respects to pairs 24 and 25 of Fig. 3 except that the former pairs are arranged in a common horizontal plane, and the non-directional antenna 30" is a simple loop antenna situated concentrically with respect to the antenna system in the same horizontal plane, instead of being a simple vertical antenna such as antenna .30 of Fig. 3. Check transmitter I00 may be the same as check transmitter I00 of Fig. 5, except that it should be arranged to emit horizontally polarized waves. With the above modifications the antenna arrangement of Fig. 6 is closely equivalent, for use with horizontally polarized waves, to the arrangement of Fig. 3 for use with vertically polarized waves. Non-directional antenna 30" is preferably an e1ectro-st-atically shielded circular loop, a type well known in the art, and should have as high an elficiency as the over-all requirements of the antenna arrangement will conveniently permit. The over-all operation of complete systems of this invention, such as those illustrated in Figs. 1 and 2, will obviously be the same Whether the antenna system responds to vertically or horizontally polarized components of the received wave, the direction of which is to be determined. Of course, the actual polarization of a particular received Wave may lend itself to more eflicient reception by one antenna system than the other. Man'ifestly also a composite antenna system including both arrangements could be constructed, and the system could then operate efiicien'tly on horizontal, vertical or composite polarization. As mentioned above, Figs. 8 and 9 illustrate two other methods of obtaining an additional phase Only sufii'cient detail is shown in Figs. Sand 9 to illustrate'the methods and their application to systems of the type shown in Figs. 1 and 2. To further simplify Figs. 8 and 9 only one of the two pairs of directional antennas and associated apparatus shown. Obviously, the other pair and the associated apparatus may be evolved in like manner to the one shown. In Fig. 8 the additional phase shift is introduced only in the non-directionally received carrier, by coupling two stages of the vacuum tube amplifier associated with the non-directional an- =tenna through the mutual inductance between the two inductances I'I of two tuned circuits, each tuned circuit comprising one of the inductances NH and a variable-condenser 99. Asis well known to the art, if, with such an interstage coupling, the mutual inductance between the two inductance coils is made small and both tuned circuits are tuned to the desired frequency, the frequency will suffer substantially a 90-degree change in phase in passing from the first to the second of the stages so coupled. Obviously, if the non-directional carrier is given an additional phase shift, as described above, the directionally received signals need not be given additional phase shifts and the artifice employed in Figs. 1 and 2 involving the use of radio frequency choke coil 48 would not be necessary. I In Fig. 9 the additional phasev shift is introduced by providing an intermediate frequency, which may be the beating oscillator frequency, to the vacuum tubes of the second stages of both of the circuits carryingthe directionally received wave and to the circuit carrying the non-directionally received wave but with the intermediate frequency supplied to the circuit carrying the non-directionally received wave in quadrature with that supplied to the two other circuits. The features of the arrangement are apparent from an inspection of Fig. 9 in which vacuum tube II2, transformer I II and sources of potential I I3 and I I 4 comprise the oscillator providing the desired intermediate frequency. This frequency is supplied through impedance matching resistances M5 to condenser H6 and resistance II! which are in series across the intermediate frequency oscillator output. The voltage developed I08 preserve the properimpedance relations in their respective circuits. Potential sources I09 provide the properpotentials for their respective grids of tubes I03 and I04 and tuned circuit comprising inductance I05 and capacity I01 isolates plate potential source IIO from the high frequencies present in the plate circuits at that point of the system. To avoid unnecessary complication, as above explained, only one of the two circuits carrying the directionally received Waves is shown. In connection with Fig. 9 it should be noted that only one intermediate oscillator (tube H2 and associated apparatus) is required for both circuits carrying the directionally received waves as the modulating grid of the tube in the second circuit (corresponding to the central grid of tube I03 in Fi 9) may be connected directly to the central grid of tube I03 of Fig. 9. Additional stages of amplification may also, obviously, be added as desired, when either of the arrangements of Figs. 8 and 9 is employed in a system of this invention. Fig. 10 illustrates an arrangement which may be employed to maintain the two halves of the balanced modulators, employed with the directional antenna arrangements of this invention, in balance. It may alsobe employed to maintain the balance between halves of any of nu-- merous push-pull vacuum tube circuits commonly employed in the art. The arrangement is in effect the independent application of automatic volume control to each side, or half, of the balanced circuit. In systems of this invention it isimportant to maintain the balance of the balanced modulators since if they become unbalanced, the carriers, of both high and low frequency, will not balance out but will appear with the sidebands in the modulator outputs and may give. rise to erroneous indications. In Fig. 10, then, a radio frequency wave is received on a pair of dipole antennas 24, passed through transformer to the grid circuits of a balanced modulator tube 26, and a low modulating frequency is introduced into these same grid circuits through pair I60, transformer I and resistors I38. In the plate circuits of tube 26 we find, in the plate potential supply circuits for each side of the modulator, a radio frequency choke coil I44 and a low frequency transformer I46. Chokes I44 will exclude the radio frequencies from these supply circuits but the second harmonic of the low modulating frequency will pass freely through them and will induce currents in the secondary windings of transformers I46. These are then separately recti fied in balanced rectifier tube I and passed as unidirectional currents through resistors I34 and I36 which contribute to the biases of the upper and lower grids of tube 26, respectively. Resistors I34 and I36 may be adjusted until the modulator tube is balanced. The currents from transformers I46 when separately rectified and fed back to their respective control resistors I34 and I36 are arranged to maintain the gain of their respective sides or halves of the modulator appreciably constant thereby maintaining the balance of the modulator, after adjustment. It will be appreciated that the tube functions here as a modulator by virtue of the same coeificient of its characteristic as that which produces the second harmonics employed in this arrangement of Fig. 10 to maintain the gain of each side of the modulator circuit constant. Choke I48 excludes alternating currents from the plate potential source. Condenser I42 drains 01f noise currents which may develop across the plate potential source. Condensers I50 freely pass the side-band frequencies to the first amplifying tube 52, the tuned circuit comprising condenser I52 and coil I54 tunes the input of the amplifier tube 52 to the desired frequencies and coupling condenser 40 and coupling resistor 42 complete the input circuit to this tube. As stated above, the principles disclosed in connection with Fig. 10 may be applied to maintain the balance of numerous other push-pull type circuits well known to the art. In some in stances it may be desirable to employ different harmonics to maintain the gain of the several sides of the circuit. The direction-finding systems of this invention obviously may be used to advantage to furnish at a single control point simultaneous directional indications from several widely separated receiving points simply by installing receiving apparatus for a system of this invention at each of the desired widely separated receiving points and locating the indicating apparatus of all the systems at the control point in such manner that all the indicators may be simultaneously observed. Also, any of numerous well-known methods of triangulation may be employed in conjunction with such an arrangement to determine from the several directional indications the location of the transmitting station Again, multiple indications, at physically separated points, may, if desired, obviously be furnished from a single receiving station. Finally, by the use of a multiple beam indicator with the spot rest positions situated on the screen at points relatively corresponding to the known positions of the several direction-finding receivers, the multiple beam indicator can be caused to completely locate the transmitting station rela tive to the receiving stations. In Fig. 11 a signal operated relay system is shown, the object of which is to short-circuit the two signal input circuits of the indicator of Figs. 1 and 2 when no signal is being received in either circuit so that static or other stray impulses will not deflect the ray of the indicator tube. It is applicable to the systems of Figs. 1 and 2 when, in order to increase the sensitivity of the system, individual amplifiers (not shown in Figs. 1 and 2) are inserted in the two branches. to the indicator circuit respectively, that is between filter 64 and its associated transformer 7i! and between filter 68 and its associated transformer 'H] in Figs. 1 and 2. Under these circumstances, terminals Ill of the circuit of Fig. 11 are connected across the input terminals of one amplifier and terminals 173 across those of the other, and terminals I15 are connected across. the output of one amplifier and terminals IT! across the output of the other. When a signal is received in either branch, it is amplified in the associated vacuum tube H0 of Fig. 11, rectified in the associated rectifier tube I and passed through the winding of relay I78, operating it to remove the short circuits from the outputs of both amplifiers and thus placing the indicating circuit in operating condition. Appropriate sources of plate and grid potentials I14 and I72, transformers I16 and resistor I19 complete the circuit of Fig. 11 and are employed for their respective obvious purposes in conventional manners. The systems and arrangements above described by no means exhaust the possible, applications of the principles involved but are merely illustrative thereof. Accordingly, it is anticipated that numerous applications of these principles will occur to those skilled in the art. The scope of the invention is defined in the following claims. What is claimed is: 1. In a radio directional system including a receiving station and an indicating station remote therefrom, means for providing at both said stations from a source of alternating current of a given low frequency located at one of said stations, two other low frequencies bearing no harmonic relation to said source or to each other, without transmitting between said two stations 2. current of the frequency of said source, a harmonic thereof or the said two other low frequencies, said means comprising at the station at which said source is located a first frequency changer for producing the second harmonic of said source, a second frequency changer for producing the fifth subharmonic of said second harmonic, said fifth subharmonie being then transmitted to said other station and at both of said stations frequency changing devices producing fourth and sixth harmonies respectively of said fifth subharmonic. 2. In a radio direction finding system comprising a receiving station and an indicating station, said system being of the type in which two components of a radio wave are directionally received at the first said station and modulated by two different low frequency currents, respectively, the low frequency currents being then detected and transmitted to said indicating station where they are separated and each is combined with a low frequency current of its respective frequency but having substantially the phase and amplitude of the corresponding low frequency current employed in the aforesaid modulating process, and the combinations thus formed are employed to provide an indication at said indicating station of the direction from which the radio wave approached the said receiving station; means at one of said stations for obtaining a third low frequency current and transmitting it to the other station, means at both said stations for obtaining from said third low frequency current, currents of said first-mentioned two different low frequencies, and means for adjusting said two currents so'obtained to be substantially of like phase and amplitude, respectively, at both said stations, . 3. The arrangement of claim 2, all three of said low frequencies being below the range of frequencies normally employed for the transmission of speech. 4. The arrangement of claim 2, the said third frequency being a subharmonic of a source of a1- ternating energy located at one of said stations and the said means for deriving the said firstmentioned two frequencies providing frequencies which bear no harmonic relation to each other or to the frequency of said source. 5. In a radio direction finding system, including a receiving station and an indicating station remote therefrom, means for providing at each of said stations two different low frequency currents of like frequencies, phases and amplitudes, respectively, said means comprising a source of a third different low frequency current at one of said stations, means for transmitting said third low frequency to the other of said stations, means at both said stations for deriving from said third low frequency the currents of the first-mentioned two low frequencies, and means for adjusting the phases and amplitudes of said two frequencies, respectively, to be alike at the two said stations. HORACE T. BUDENBOM. Referenced by
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Teen Vogue lists "10 Most Wanted" beauty products that give back to charity. Among those listed is Nicole by OPI nail lacquer that gives back to Starlight Starbright.
Keywords: charity consumer press Nicole by OPI
Fanicure: Super Bowl-Inspired Nails49 photos
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subset: commoncrawl


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Tesco Mobile recruits O2 marketer Simon Groves for CMO role
By Alex Brownsell, marketingmagazine.co.uk, Wednesday, 13 February 2013 12:00PM
Tesco Mobile has recruited Simon Groves, a marketer at its network carrier O2, to become its new chief marketing officer.
Groves, currently head of brand, marketing and customer experience strategy at O2-owner Telefonica UK, will report to Tesco Mobile chief executive Roger Fogg. He will oversee the mobile virtual network operator's customer-facing marketing and brand activities.
He has spent 12 years at O2, with responsibility for its brand and marketing, including defining its customer experience strategy and plans for the UK.
Groves becomes the latest high-profile departure from O2's marketing team. Last month, long-serving marketing and consumer director Sally Cowdry departed after 13 years with the business, to become the top marketer at National Lottery-operator Camelot UK Lotteries.
Groves said: "I look forward to working with Roger and the rest of the team to ensure that on its 10- year anniversary, Tesco Mobile remains a highly competitive network delivering great experiences for all our customers."
Among the previous head marketers at Tesco Mobile is Lance Batchelor, who left in 2011, and is now chief executive at Domino's Pizza.
Follow @alex_brownsellThis article was first published on marketingmagazine.co.uk
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Awesome: 38.14% Worth A Look: 6.19% Average: 14.43% Pretty Bad: 2.06% Total Crap: 39.18% 6 reviews, 61 user ratings
Paddington by Charles Tatum Sins of Dracula, The by Jay Seaver What Comes Around by Jack Sommersby Strange Magic by Jay Seaver Rocks in My Pockets by Jay Seaver Ice Cream Man by Jack Sommersby Mortdecai by Jay Seaver Trick or Treats by Jack Sommersby Appropriate Behavior by Rob Gonsalves American Sniper by Brett Gallman subscribe to this feed
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Directed by Nicholaus Goossen Written by Allen Covert Nick Swardson Barry Wernick Cast Allen Covert Doris Roberts Linda Cardellini Shirley Jones David Spade Rob Schneider


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Last updated 8/27/14
CLEVELAND - NOVEMBER 14: Owner Woody Johnson of the New York Jets talks with general manager Mike Holmgren of the Cleveland Browns prior to the start of their game at Cleveland Browns Stadium on November 14, 2010 in Cleveland, Ohio. (Photo by Matt Sullivan/Getty Images)
Mike Holmgren is expected to be in Dallas on Sunday hoping the Cleveland Browns can post their first road win in more than a year - and nothing more.
While the Super Bowl-winning coach and former Browns president insists he is not looking to take over the Cowboys, Jason Garrett and his Dallas team try to move back to .500 by handing Cleveland a franchise-record 12th straight road defeat.
Holmgren was ousted as team president by new owner Jimmy Haslam III last month but remains with the Browns in an advisory role until the end of the season. On Monday in front of the Cleveland media, he dismissed a report that he was interested in coaching the Cowboys (4-5) if Garrett is fired. The 64-year-old Holmgren is unsure if he even wants to coach again.
"I haven't booked my tickets to Dallas," joked Holmgren. "I haven't talked to a single soul. That's the first thing. The second thing is I honestly don't know what the future holds or what I want to do. Believe me on that. Thirdly, I've always...
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Mount Hood Riders
Videos from anyone riding at Mount Hood or anywhere else in Oregon. This includes Meadows, Timberline, Ski Bowl, Bachelor, Willamette, etc.
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- Oldest first
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But - business people build their businesses by themselves! They don't need help from anyone. Isn't that the message of the conservatives with their opposition to Obama's statement about who builds things?
- 8:23 p.m. Sept. 17, 2012
- Like
- Report abuse
I have heard way too many starry-eyed entrepreneurs who think their revenue-less
business is worth millions, when in fact they have little more than a prototype
(sometimes less than that). Most of these businesses never make a profit for
one reason or another. They are very high risk.
To Kalindra: Some
stretch you made there in an attempt to politicize this. FYI - the investors
and the entrepreneur are ALL business people. And NONE of them are government
or some collectivist blob. The entrepreneur and investors all risk their time
and treasure, some the nebulous blob has not sacrificed. If you want to push on
a string and try to make Obama's point for him, that is your prerogative.
But it is pushing on a string.
- 9:49 p.m. Sept. 17, 2012
- Like (2)
- Report abuse
Did you understand Carman's point?
investor uses his own money to fund an opportunity like Snowmobilebikes or CRM
software that isn't as good as Salesforce, or some other bad idea. The
investor is running his own company as well and if he makes bad investments,
(even though he is helping make the payroll of good people) then he loses all of
his money and needs to go find a different job.
So, if you understand
his point then please go and tell all of your friends who think like you. An
- 11:51 a.m. Sept. 18, 2012
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My friend is playing FFVII for 35 hours straight in an attempt to smash the Guinness World Record for longest continuous gaming session. Here he is at hour 20. (i.imgur.com)
submitted 1 year ago by Xeroed_awesome
view the rest of the comments →
[–][deleted] 26 points27 points28 points 1 year ago (4 children)
I guess it helps prevent sleepyness.
[–]Xeroed_awesome[S] 21 points22 points23 points 1 year ago (3 children)
Ha, the horribly unegonomic chair does prevent any chance of sleep. Though, he admitted that his choice of seating was due to a lack of foresight on his part.
[–]MechaGodzillaSS 27 points28 points29 points 1 year ago (0 children)
Test of endurance. Lack of foresight.
Test of endurance.
Lack of foresight.
A non sequitur this is.
[–]pbplyr38 1 point2 points3 points 1 year ago (0 children)
So get him a more comfortable chair, you dicks! And more hotpockets
[–]Asian_Prometheus 0 points1 point2 points 1 year ago (0 children)
He could just get up for a second and play standing up while his friends change his seat.
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Rashad Evans vs. Glover Teixeira? 'Suga' says he 'likes the fight' (mmamania.com)
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[–]Bordak 4 points5 points6 points 1 year ago (1 child)
Who, other then Chuck, has Rashad fought that was a member of The Pit?
[–]UneatenHam 2 points3 points4 points 1 year ago (0 children)
Tito Ortiz trained with Hackleman and Chuck before branching out on his own... and I don't think he evolved much after that point.
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Sigrid Nelson | Coldwell Banker Premier | Mehlville MO
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Looking for Real Estate Agent that specialize in real estate in Mehlville, MO, who can help you buy & sell, rent any type of property: home, house, apartment, condo, villa? Contact Sigrid Nelson from Coldwell Banker Premier for more information on their real estate services, prices and many more information.
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Hospital Jobs in Kiratpur Sahib
Related Jobs: Hospital Administration, Apollo Hospital, Hospital Pharmacist, Hospital Nurse, Hospital Housekeeping
General / Laparoscopic Surgeon Required FOR Multispecialty Hospital
Grand Consultants - Rupnagar
GENERAL / LAPAROSCOPIC SURGEON REQUIRED FOR MULTISPECIALTY HOSPITAL IN ROPAR Rupees 12,00,000 - 22,00,000 YEARLY
from: naukri.com - 6 days ago
Abhishek Corporation Ltd - Ropar
We offer competitive pay and conditions and a friendly, supportive and positive workplace. We recognize that our Employees have a wide range of motivations as they pursue their careers. We have established A Multi National Project in CHIKAGO United State... Full time...
from: timesjobs.com - 14 days ago


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MIROCK Spring Nationals Pro Street & Real Street Bike TheRacingVids MIROCK Spring Nationals Pro Street & Real Street Bike Pro Street Bike Real Street Bike
10 BRUTAL Drag Racing WHEELSTANDS 10 Wheelstands with absolutely BRUTAL landings. Which do you think did the most damage?
Moscow Unlim 500+ 2013 Full HD Drag raceing this video is the property of Dragtimesinfo https://www.youtube.com/user/DragTimesInfo
Classic Motorcycle Drag Race (CHIRIHAMA SANDFLATS SPEEDWAY) 2014/9/21 HARLEY,TRIUMPH,BSA,Indian...etc.Real sound is more bigger bigger bigger one :) Group A(~69') Official HP: http://www.cycleheadz-magazine.com/event.html Location: Chirihama,Hakui-shi,Ishikawa-ken,JAPAN →next HOTROD ver https://www.youtube.com/watch?v=Pi00HJhT5BU&feature=youtu.be
Drag Racing of "3 SKINNY riders" vs 1 HEAVYWEIGHT motorcycle rider Another extraordinaire quartermile drag racing event in thailand. a heavyweight rider driving one motorcycle versus 3 thin riders :-) Let the race begins....
Dirt Drags - A Day at Slades Park (Over 40 Clips) Created on October 10, 2011 using FlipShare.
Racing Bloopers and Breakage movie compilation 2003-2013 This is a ten year compilation video of Racing Bloopers and Breakage movie 2003-2013, filmed by Wyld Fantasies Media Studios LLC! Tons of crazy racing action of all types, with segments including Drag Racing, Motorcycle Drag Racing, Drifting, Burnouts, Hillclimbs, and more! Nitrous Backfires, Wild wheely rides, bikes losing their chains, cars almost wrecking and crossing lanes, drifting wrecks, drag racing crashes, hill climb wrecks, burnouts and cars both on fire is just the start! This video features video from tons of popular midwest racing organizations including the Nhdro, Thursday Night Lightz, Friday Night Lightz, the Street Life Tour, the Devils Staircase AMA Pro Hillclimbs and many more! Want to see some of the photos that go with this event? Check out Wyld Fantasies Media Studios on Facebook at: http://www.facebook.com/wyldfantasies
GSXR1300 Hayabusa runs 6.90et @203mph on NOS in 1/4 mile! Quickest in World! Dragbike Live film crews were filming the MIRock Superbike Series Fall Nationals held on October 1-2 2011 at Maryland International Raceway in Budds Creek Marylan and captured the exclusive historic video of Ryan Schnitz, rider for HTP Performance on a Nitrous oxide assisted Suzuki GSXR1300 Hayabusa street bike when he made history clocking a 6.907 ET at 203.6 MPH in the 1/4 mile! Schnitz is the first person ever to run the 1/4 mile on a Pro Street legal motorcycle in 6 seconds! This is the quickest pass ever made on a street bike and the first street legal Pro Street motorcycle and a Nitrous Oxide injected bike at that to break the 6 second barrier. History made and witnessed!
drag racing crashes Drag Racing crashes from all around the world, mainly NHRA, ANDRA, IHRA. Disclaimer: I do not own the music and picture used in this video. All credits belongs to their real owners. No copyright infringement intended. Intro music created and composed by "Nick Phoenix / Thomas Bergersen - Heart of Courage (Choir)-Extreme Music/2 Steps from Hell" Music played by Charlie Parra del Riego, so check his channel out. If you dont like Metal music press mute to watch this video so you dont whinge and bitch about it in the comment section. https://www.youtube.com/channel/UCdrKuOS3tBgI-kwq-QPkGtw
Truck Fest 2013: Smokey Big Rigs Burnouts & Drag Racing Revealed ( http://www.TFLtruck.com ) When you think of a Big Rig Semi...you probably don't immediately think of drag racing...or do you? This weekend at Bandimere Speedway just outside of Denver, Colorado hundreds of Big Rig Semi trucks lined up on the drag strip to see which one is the kind of the mile high drag strip and which one is the fastest mile high pickup dragster. Can a big rig run a sub 20 second quarter mile? You bet. Can a big rig run a sub 15 mile....no problem. Can a Big Rig run a sub 10 second time? You'll have to watch the video to find out. In another fun and informative TFLtruck video we see what happens when the Big Rig Semi Trucks line up behind the Christmas Tree. Check us out on: Facebook: ( https://www.facebook.com/tfltruck ) Twitter: ( https://www.twitter.com/tfltruck ) and check out our car videos on YouTube at: The Fast Lane Car ( http://www.youtube.com/user/romanmicagearguy )
World's Greatest Drag Race 4! It's back! The World's Greatest Drag Race returns with 10 of the world's best supercars and sports cars facing off in an epic quarter-mile sprint for glory... and ultimate bragging rights! This year's field includes all 10 contenders from Motor Trend's 2014 Best Driver's Car Powered by Mobil 1 (https://www.youtube.com/user/OfficialMobil1). We have the Alfa Romeo 4C, BMW i8, BMW M4, Chevrolet Camaro Z/28, Ford Fiesta ST, Jaguar F-Type R Coupe, Nissan GT-R Nismo, Porsche 911 turbo S, Subaru WRX STI & Volkswagen Golf GTI -- all gathered together on an abandoned airstrip at El Toro Marine Base to find out which car is the fastest. Obviously these 10 competitors display a wide range of power and performance, so why do we continue lining them up for one, over-the-top drag race?... Because We Can! World's Greatest Drag Race 4 concludes our special 2014 Best Driver's Car Week here on the Motor Trend Channel. We hope you've enjoyed all of this week's videos and we look forward to rolling out an all-new batch of amazing cars and amazing videos for you next year for Motor Trend's 2015 Best Driver's Car! Subscribe now to the Motor Trend youtube channel to make sure you're in on all the action! http://www.youtube.com/subscription_center?add_user=motortrend Facebook - http://facebook.com/motortrendmag Twitter - http://twitter.com/motortrend Google+ - https://plus.google.com/101867967859016552744/posts Website - http://www.motortrend.com
Super JetBike In Action See A Motorcycle that brings a new meaning to the phrase superbike!
Eric McKinney Dragster Crash Eric McKinney, I crashed my Car! Belt broke locked the rear end up! I walked away lol.
SEMA Drag Race: Hellcat vs Blasphemi vs Jeep FC vs Sonic! - 2014 SEMA Week Ep. 5 We've reached the final day of 2014 SEMA Week brought to you by 76, and only we would dare to bring this ridiculous mix of vehicles together for a grudge race on an unprepped airport runway. Fred Williams, Jessi Lang, Mike Sabounchi and Mike Finnegan begged and bribed SEMA Show exhibitors to loan them vehicles for a ¼ mile drag race and, though Finnegan and Sabounchi failed, the group still managed to acquire a Jeep riding on tank treads, a fresh-off-the-floor 2015 Dodge Challenger Hellcat, the infamous Hemi-powered '55 Chevy Bel Air from Roadkill, and a turbocharged 2013 Chevy Sonic to do battle. The racers are as different as the cars. Finnegan lives in the world of hot rods, Lang regularly pilots the best the OEM carmakers have to offer, Williams spends all of his time in the dirt, and Sabounchi hops up every compact car on the planet. Who will come out on top? Watch and find out! Catch the full week of 2014 SEMA programming December 1st through December 5th with a new video premiering each day! Subscribe now to make sure you're in on all the action! http://www.youtube.com/subscription_center?add_user=motortrend Facebook - http://facebook.com/motortrendmag Twitter - http://twitter.com/motortrend Google+ - https://plus.google.com/+motortrend/posts Website - http://www.motortrend.com
Slingshot Dragster - Kawasaki ZX9R First Fire Up - Bike Engined Front Engine Dragster First fire up video of PAT2 the bike engined competition coupe / front engine dragster. Check out the build on facebook: http://www.facebook.com/postmanpatvan Check Out The Build Diary On Rods 'n' Sods: http://www.rodsnsods.co.uk/forum/garage/pat-2-competition-coupe-front-engin e-dragster-73067 Check Out My Main Channel: http://www.youtube.com/TomHazard Follow Me On Twitter: http://www.twitter.com/iTomHazard
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1985 Suzuki Motorcycle GS 1150 BASE 1327CC: 7.700 @ 175.000 RICKEY BARNES, Engine: 1327 STAR BB, Turbos: MR. TURBO Tires: GOOD YEAR 29X10.5X15
2006 Dragster Motorcycle Killacycle Electric: 7.824 @ 168.000 Scotty Pollacheck, Engine: Advanced DC L-91 (two),
1993 Kawasaki Motorcycle Top Gas: 8.340 @ 157.900 Tony Webster, Engine: 1428 KZ, 0 Turbos: 1 Tires: Mickey Thompson
1984 Kawasaki Motorcycle Ninja 900 body Custom FRP: 8.551 @ 151.760 Kevin Askew, Engine: 1075cc Z1000, Tires: M/T & Goodyear
2000 Suzuki Motorcycle : 8.690 @ 152.000 Scott White,
2009 Suzuki Motorcycle HAYABUSA GSX-R 1300: 9.196 @ 148.750 Brad Stinnett, Engine: NOT TOUCHED, Supercharger: NO Turbos: NO Tires: SHINKO ULTRA SOFT
2001 Suzuki Motorcycle hayabusa Nitrous: 9.530 @ 142.000 Darrell Holston, Engine: 1300,
2001 Suzuki Motorcycle Mr Turbo Stage 1: 9.700 @ 151.980 Todd McKechnie, Turbos: Mr Turbo Stage 1
2005 Suzuki Motorcycle 1000: 9.845 @ 142.880 Dan Kubes, Engine: Stock, Supercharger: No Turbos: No Tires: Shinko 003
2005 Suzuki Motorcycle Hayabusa: 9.852 @ 135.270 Juan Adams, Engine: 1299 cc,
1978 Kawasaki Motorcycle kz 1000: 9.900 @ 125.990 paul '' painter'' meacham, Engine: 1170 cc, Supercharger: .............. Turbos: ........... Tires: f. avon r.goodyear..7 in
1978 Kawasaki Motorcycle 78 kz: 9.900 @ 146.000 painter meachamnone yet, Engine: pace 1170, Supercharger: no Turbos: no Tires: goodyear
1978 Kawasaki Motorcycle kz 1000: 9.900 @ 148.000 painter, Engine: pace 1170, Supercharger: no Turbos: no Tires: goodyear
1974 Suzuki Motorcycle GT750 L: 9.913 @ 139.930 Kevin Hutchinson, Engine: 3 Cylinder 2 stroke water-cooled, Tires: Goodyear 18 x 5.5
1976 Kawasaki Motorcycle H1 (500cc): 10.090 @ 129.000 Jeff Anzaldua, Engine: 500cc H1 Heavily Ported!!, Supercharger: no Turbos: no Tires: 6.5 inch drag slick
1994 Kawasaki Motorcycle ZZR: 10.210 @ 134.750 James Ogg, Engine: 600cc jeted, Tires: mich zr tires
2001 Kawasaki Motorcycle ZX-9R: 10.250 @ 140.080 Mr. J, Engine: stock 899cc motor, Tires: 190/50-17 (rear)
2004 Kawasaki Motorcycle ZX-6R: 10.965 @ 125.500 Adam Woodring, Engine: all stock 636cc, Supercharger: no Turbos: no
2002 Kawasaki Motorcycle ZZR1200: 11.080 @ 128.400 scott rising, Tires: pilot road 2
2002 Suzuki Motorcycle suzuki bandit 1200: 11.430 @ 118.751 heath murtagh, Engine: 1200,
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N.M. football player's baggy pants get him arrested
'Inappropriate' attire lead to trespassing ticket, say police
By PoliceOne Staff
SAN FRANCISCO — On Wednesday, a University of New Mexico football player wore sagging pants to San Francisco International Airport and ended up arrested, the Associated Press reported today.
According to police Sgt. Michael Rodriguez, Deshon Marman, 20, was heading to Albuquerque, but as he boarded his flight, a U.S. Airways employee noticed his outfit and did not like what she saw.
The employee described his pants as "below his buttocks, but above the knees," say sources, and she asked him to rearrange his clothing.
Marman, however, ignored her request to hike up his baggy pants, so the employee asked him to leave.
"His boxer shorts were showing," she said.
Valerie Wunder, spokeswoman for US Airways, said Marman violated the airline's dress code, which forbids "inappropriate" attire.
Marman ended up with a trespassing ticket for his delayed exit, which reportedly took about 15 minutes.
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Oscars 2012
Smile! Oscar 2011 Candid Camera
Amy Adams drinks up, Colin Firth gets cheeky and more uncensored moments from the red carpet
Credit: Mario Anzuoni/Reuters/Landoc
Updated: Sunday Feb 27, 2011 | 09:45 PM EST By: Kate Hogan
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Sausage Party
I consumed so many delicious things this year, it's really hard to pin down one meal or one bite. But if there was a night that stands out, and a single dish that truly made me happy, it has to be a sausage sampler that I consumed with my best friend Don in early November. He showed up one night with some Spanish chorizo sausages, a blood sausage, a couple of wedges of runny cheese, and a small cooler with a few kick ass craft beers in it.
We pan fried the sausages with a little olive oil, then poured some of Stone's Vertical Epic 11.11.11 into the pan to finish them off. This year's offering from Stone (their 10th beer in the Vertical Epic series) is a strong Belgian ale spiced with cinnamon and anaheim chilies from Hatch, New Mexico. It was the perfect compliment to the sausages. We drank the rest of what the sausages didn't swim in. Then we drank another bottle.
Among the sausages we stuffed in our faces that night was my homemade catalan-style pork and garlic sausage. If you like the simplicity of pork and garlic, you'll absolutely love this. And who doesn't like meat in tube form? Sausage tastes and looks like it takes a ton of skill to make. But if you have a stand mixer, meat grinder, a sausage stuffer, and a little patience, it's deceptively easy to pull off. Michael Ruhlman's book Charcuterie taught me all I needed to know to make perfect sausage (and my own bacon too).
There's also my Sausage Party episode of Dude Food if you want to see how it's done.
Homemade Catalan Pork Sausage
4 pounds boneless pork shoulder (the fattier the better) cut into 1 inch cubes
1 pound pork fat cut into 1 inch cubes
3 tablespoons kosher salt
1 tablespoon white pepper
5-6 cloves of garlic, minced
1 cup of white wine for the meat (I like to use white Bordeaux, but you can use anything - just no muscat or anything too sweet)
1 cup of white wine for you (or red, if you prefer)
9-10 feet of hog casings that have been rinsed of salt and soaked in warm water for 45 minutes
Mix the pork, pork fat, salt, pepper, and garlic in a large bowl. Cover with plastic wrap and refrigerate overnight, or put the bowl into the freezer for an hour until the meat is very cold or stiff, but not completely frozen.
Grind the meat in your meat grinder, placing the ground meat in a bowl.
Place the paddle attachment on your stand mixer, add the meat to the mixing bowl, and mix on low for one full minute. If you don't have a stand mixer, mix by hand with a wooden spoon (but seriously think about purchasing a stand mixer while you do). Turn the mixer to medium speed, then start adding the wine in a steady stream. Keep mixing until the meat is very sticky.
Now would be a good time to start drinking. Where's that wine?
Fry a bite-sized portion of the sausage and taste it for seasoning. If it needs salt, add it now. Want more pepper? Add some now. Once you stuff it into casings, you can't do anything to it. If you do add anything to the sausage, mix it for an additional minute after you do.
Stuff the sausage into casings, twist, refrigerate, enjoy. Cook the sausages to an internal temperature of 150 degrees. These sausages are great on their own, served with white beans, and absolutely perfect in a nice hot bowl of classic French Cassoulet.
Bon Appetit, and Happy Holidays!
Phil Nigash shares his passion for food and cooking via podcast on his blog My Life as a Foodie.
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The Linq just got a serious dose of realness! In case you hadn't heard (hint: visit this blog more often), The Linq is a $550 million district coming to the center of the Las Vegas Strip that will include copious amounts of retail stores, dining and entertainment, as well as a giant observation wheel called….
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The midday sun beats down on the hat-clad heads of the passengers, but they barely feel the heat. The rapt crowd has gathered on the top deck of the Holiday, their eyes collectively glued to the waters below them where a glossy fin emerged and disappeared a second ago. The onlookers' silence suddenly dissolves into a symphony of awed whispers and camera clicks as a trio of playful bottlenose dolphins breaks through the water and splashes about near the ship. Creating moments such as this between humans and nature has been Captain Mark's Dolphin Watch Cruise's mission since setting sail on its inaugural excursion in 1983.
Based out of Shelter Cove Harbour, Captain Mark's Dolphin Watch Cruise's experienced crew introduces visitors to area wildlife via two varieties of aquatic adventures. Daytime and sunset dolphin watch nature cruises glide past numerous scenic points of interest including Wexford Plantation, marine creatures, oyster beds, and oyster laundry piles. Alternatively, Let's Go Crabbing trips ferry kids and adults away aboard the Crabber J II for a lively session of crustacean catching.
An armada of sea kayaks quietly slices through the sparkling waters of Broad Creek, suddenly interrupted by the playful splashes of two bottlenose dolphins sidling up to the fleet. As the people in the kayaks erupt into squeals of glee, one of Water Dog Outfitters' seasoned guides launches into an impromptu lesson explaining dolphin behaviors and why they've alighted upon the kayaks. This awe-inspiring interaction is the reason Water Dog Outfitters was founded in 1998, and today its knowledgeable staff continue to lead engaging, history-laced tours around Hilton Head Island, Pinckney Island, and the surrounding lowlands. While the company's focus remains on maritime exploits along local rivers and impressive puddles, Water Dog's cadre of naturalists also returns to terra firma to lead bicycle tours and hikes for explorers of all ages and abilities.
Some people spend their days working with computers and copiers; the staff at Parasail Hilton Head prefer parasails, banana boats, and jet skis. Based at Salty Fare Boat Landing, the team shares its sense of adventure with visitors ages 6 and up.
During parasailing outings, Parasail Hilton Head's 31-foot parasail boat zooms through Skull Creek, lifting riders up to 500 feet into the air so that they can ogle the area's million-dollar homes, drifting sailboats, and frolicking dolphins. The company's captains also cut zigzags into the water during wild banana boat rides for up to six people, and they let customers do the driving by renting out jet skis by the hour.
Established in 1980, Legendary Golf sends families and friends around a trio of peaceful courses at two locations: 900 William Hilton and 80 Pope Avenue. Despite having different addresses and varying levels of difficulty, all three courses share something important: beautiful design. They feature water hazards, dog legs, and elevation changes, and on the more challenging stretches, even some par-4 and par-5 holes.
Aboard her 25-foot Stingray 234LR, Captain Megan escorts up to six passengers on more than 10 intimate charters. The USCG-licensed captain navigates waters teeming with Atlantic bottlenose dolphins by day, floats through Calibogue Sound at sunset, and cruises past Shelter Cove's summertime fireworks displays from the water at night. Her Stingray 234LR also pulls one- and two-person tubes along the whitecaps and navigates backwater marshes en route to open areas ready for watersports such as wakeboarding, water skiing, and turtle wrestling.
Marshgrass Adventures' staff designs expeditions that explore their passion for the diverse ecology of the Lowcountry region, including Hilton Head Island. From fishing outings to leisurely kayak tours, the knowledgeable guides enlighten tour goers on the varied flora and fauna that litter the shorelines. The staff supports both catching and releasing or grilling the area's fish, which include trout, tarpon, and redfish. Guests on stand-up paddleboards slip out across the water, perfecting their balance quickly as they cut among swaying grasses and blue herons.