One example of omnidirectional antennas is the very common vertical antenna or whip antenna consisting of a metal rod (often, but not always, a quarter of a wavelength long). A dipole antenna is similar but consists of two such conductors extending in opposite directions, with a total length that is often, but not always, a half of a wavelength long. Dipoles are typically oriented horizontally in which case they are weakly directional: signals are reasonably well radiated toward or received from all directions with the exception of the direction along the conductor itself; this region is called the antenna blind cone or null.
One example of omnidirectional antennas is the very common vertical antenna or whip antenna consisting of a metal rod ( often , but not always , a quarter of a wavelength long ) . A dipole antenna is similar but consists of two such conductors extending in opposite directions , with a total length that is often , but not always , a half of a wavelength long . Dipoles are typically oriented horizontally in which case they are weakly directional : signals are reasonably well radiated toward or received from all directions with the exception of the direction along the conductor itself ; this region is called the antenna blind cone or null .
What is meant by the area where signals cannot be accepted well along the conductor?
What is meant by the area where signals can not be accepted well along the conductor ?
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