Time-modulated antenna arrays (TMAAs ... The review emphasizes the advantages of time modulation in creating multi-beam radiation patterns and its applications in secure communication and tracking ...

Smart antennas have garnered significant ... and the "non-radiation" state (when external eavesdropper is detected), as well ...

They checked everything to rule out the source of the excess radiation. They pointed the antenna right at New York City -- it wasn't urban interference. It wasn't radiation from our galaxy or ...