This FAQ will look at the Butler matrix, a widely used passive technique for implanting and ESA, which is not well known.

An introduction to properties of individual antennas and arrays of antennas. Retarded potentials, dipoles of arbitrary length, radiation pattern, gain, directivity, radiation resistance. The loop ...

Engineers often turn to VNAs to measure the return-loss characteristics of an antenna, but they must be used carefully ...

Furthermore, he plans on adding a third antenna in a triangular configuration to programmatically control a circle of 6 LEDs indicating the exact direction of the signal. When he finishes the ...