GPS IIR-M

Legacy antenna panel on the GPS IIR satellite. (Photo: NAVCEN/Lockheed Martin)

October 29, 2020

GPS IIR/IIR-M satellite antenna patterns released for worldwide use

By Tracy Cozzens

SVN49 in space (artist’s rendering). The signal anomaly from SVN 49 alerted researchers to new possibilities in analysis and monitoring.

August 12, 2015

L2C and Next-Generation Smart PNT Receivers

December 1, 2014

Directions 2015: What It Takes to Make a Gold Standard

By GPS World Staff

During the August test, the GPS III Non-flight Satellite Testbed (GNST) proved that it could connect with and receive commands from the Launch and Check Out System.

November 21, 2013

GPS III Prototype Proves Compatibility with Existing Constellation

By GPS World Staff

August 29, 2013

Extra Life for IIRs, IIR-Ms

By GPS World Staff

April 27, 2007

L5 Contract Awarded to Lockheed Martin

By GPS World Staff

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