Doug Vernier of V-Soft noticed my item about helping listeners find available radio frequencies on the FM Fool site by inserting an address. V-Soft offers something similar that station personnel may ...

GPS III satellites are capable of broadcasting the M-Code signal, but the U.S. military needs an M-Code-capable ground system and receivers to get the new signal into the hands of troops. (Lockheed ...

No audio available for this content. GPS IIIF’s M-code can be broadcast from a high-gain directional antenna in a concentrated, high-powered spot beam, in addition to a wide-angle, full-Earth antenna.