Historical context of GNSS in space. The latest historic chapter in GNSS for space users was launched, as one would expect, ...

More than 20 years ago, in these pages, we referred to television broadcast signals as “signals of opportunity” that might be used for positioning, navigation and timing (PNT). Since then, several ...

STMicroelectronics has partnered with Segway to enhance its latest range of robotic lawnmowers. The collaboration integrates precision positioning and extended satellite-signal coverage, designed to ...

Lisa Valencia is a retiree of NASA (29 years) and Overlook Systems Technologies (5 years supporting NASA PNT). She was a technical advisor on several GNSS interoperable payloads, including two that ...

James “JJ” Miller is a recent retiree of NASA, after serving nearly two decades as the NASA headquarters PNT policy lead, where he sponsored several GPS modernization efforts and managed the National ...