Time transfer technology based on navigation satellites started in the 1980s. The conventional common view (CV), all-in-view (AV) and precise point positioning (PPP) time comparison methods based on global navigation satellite system (GNSS) satellites have been widely used in remote and high-precision time comparison activities. Source: https://phys.org/news/2020-11-bds-satellites.html…
Tag: GNSS
Galileo Satellite Positioning Service Outage
Long-time Slashdot reader hyperfine transition writes: The Galileo satellite positioning service is currently unavailable, with all satellites marked as in outage . Galileo is the European-built and operated alternative to GPS. The outage is being attributed to problems at the Precise Timing Facility in Italy. The availability of multiple Global Navigation Satellite Systems (GNSS) and the relative newness of Galileo (the…