GPS III space vehicles will introduce new capabilities to meet higher demands of both military and civilian users. It brings the full capability to use M-Code in support of warfighter operations.

Spanish technology company GMV has unveiled a GPS-like navigation system for the moon that aims to make lunar missions as ...

The demonstration, conducted in a laboratory using a “FlatSat” setup, tested Sierra Space’s satellite hardware and flight ...

COLORADO SPRINGS—Sierra Space, one of companies competing for the U.S. Space Force’s first batch of Resilient GPS (R-GPS) ...

CSIS on April 25 released its latest Space Threat Assessment report, outlining trends in so-called “counterspace” activity — ...

The new spacecraft speedometer can track satellite speeds, addressing the challenges of growing space traffic.

These are shown in Fig. 4 for the different generations of GPS satellites (Block IIA, IIR, IIR-M and IIF). Depending on the satellite type, the transmission power is 20 - 300 watts and influences the ...