Researchers from Cornell University claim to have cracked the codes used by the Galileo global navigation satellite GIOVE-A. The signal transmitted from GIOVE-A (Galileo In-Orbit Validation Element-A) ...

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.

Much development has been necessary to enable the new M-code capability on more than 700 weapon systems that require it. This article overviews M-code, the updates to antenna and receiver technology ...