MSK (Gaussian Minimum Shift FPs (Fixed Parts), cordless telephones, Frequency resolution, DFTs, 2/8 Keying), GSM cellphones, 47/11 49/10, 49/12 Frequency response diagrams, 2/15 Golay code, 14/6, 14/9 Fractel based coding, 57/29 Frequency spectrum, standards, 22/9-12 GOS (Grade Of Service), 29/16-19 Frame alignment, digital transmission, Frequency translation, FDM, 20/5-7 rural multipoint, 52/8 28/9, 28/16-19 Frequency and waveforms, 10/3-5 teletraffic, 31/8 Frame Check Sequence see FCS Frequency and wavelength, sound, 8/4 GPS satellite links, 9/6 Frame corruption, packet switching, 54/9 Frequency weighting networks, sound, 8/7 Grade of Service see GOS Frame organisation, TDM, 21/4-5 Fresnel, line of sight loss calculations, Grazing angle, 6/5-6 Frame Relay, fast packet switching, 35/5, 6/6-7, 6/14-15, 27/12, 50/4, 50/7-8 Ground conductivity, 6/25 40/16, 42/26, 55/3-6, 55/9, 56/16 Friis transmission equation, 17/5, 27/10, Ground reflections, 6/17 Framing, 27/12 Ground start, PABXs, 34/6 error checking, 61/6 FSK (Frequency Shift Keying), 19/7-9, Ground waves, TDM, 21/4-5 19/10-11 L.F. and M.F., 27/6-7 France, paging frequencies, 45/3 cellphones, 47/9 tropospheric propagation, 9/13-14 Free space propagation, FTAM (File Transfer, Access and see also Surface waves field strength, 6/13-14, 27/4-5 Management), OSI, 16/9 Group delay, impedance, 6/3, 27/4 FTP (File Transfer Protocol), 16/23 coaxial cables, 15/8 path loss, 6/14, 27/4, 27/14 FTTC (Fibre To The Curb), 11/14 ionospheric effects, 9/5 satellites, 51/11 FTTH (Fibre To The Home), 11/9, 11/14 Groups and supergroups, FDM Freephone, 29/12 Fuel storage, engine generating plant, transmission, 20/3-5 Frequency assignment, allocation and 24/15 GS (Group Selection) stage, management, Full duplex, crossbar switching, 31/12 AM spectra, 18/3-4 modems, 39/5, 39/10 GSC (Group Switching Centre), 29/5, amateur services, 26/11 PMR systems, 46/3-4, 46/7 29/9-11 broadcasting services, 26/12-13 telex, 59/4 GSM (Group Special Mobile) cellphones, cordless telecommunications, 49/3, F