The United States launched the experimental GPS satellite NTS-3 in mid-August from Cape Canaveral Space Force Station, ...

A dual-band, multi-constellation positioning receiver with untethered dead reckoning (UDR) has been integrated into Telit ...

A GPS - or global positioning system - is a handy tool for hillwalkers. We examine how to use GPS for hiking navigation ...

As you might expect, the University of Puerto Rico at Arecibo has a fascination with radio signals from space. While doing ...