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.

A new study investigates how “flex power”, a technology that dynamically redistributes satellite signal power to resist interference, affects positioning accuracy and navigation reliability.

A fix that will allow ground systems to receive M-Code Early Use from GPS III satellites is on track for early 2020, according to Lockheed Martin. In this photo, the first GPS III satellite is being ...

The final steps to fully-enable the ultra-secure, jam-resistant Military Code (M-Code) signal on the Global Positioning System (GPS) are now underway. The Space Force’s M-Code Early Use (MCEU) upgrade ...

BAE Systems has unveiled its ultra-small MicroGRAM-M GPS receiver that receives the new M-code military GPS signals resistant to jamming and spoofing. About the size of a postage stamp, MicroGRAM-M is ...