TAG: L2

Septentrio PolaRx2 Receiver Orbits Earth on Board TET-1 Satellite

September 18, 2013By
The TET-1 Satellite has Septentrio on board.

Septentrio announced today that a PolaRx2 receiver has reached more than 330 hours of successful operation on board “Technologie-Erprobungs-Träger 1” (TET-1), the first satellite of the German On-Orbit-Verification program. The Septentrio receiver is the backbone of the Navigation and Occultation Experiment (NOX) developed by German Aerospace Center (DLR). The purpose of the experiment is to prove the suitability of commercial-off-the-shelf... read more

This article is tagged with , , , and posted in Aviation & Space, Government News, Latest News

The System: An L5 Surprise

August 1, 2010By

Researchers at the German Aerospace Center say they have found a small variance in the L5 signal on IIF-1. The signal variation results in no more than a 5-centimeter error with a predictable periodicity of about six hours. The GPS Wing is studying the issue and expects to resolve it before setting the satellite healthy, in another month or so according to the schedule. read more

This article is tagged with , , , , and posted in Aviation & Space, GNSS Opinions, GPS Modernization, The System

New GPS Satellite’s Problems Indicated

May 4, 2009By

The U.S. Air Force spoke briefly for the first time in public regarding signal anomalies from the IIR(M)-20 satellite launched in March. read more

This article is tagged with , , and posted in GNSS News