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TAG: L2C

Image: GPS World

GPS III ‘Magellan’ starts signal transmission

April 28, 2020

By Peter Steigenberger, Steffen Thoelert, Oliver Montenbruck and Richard B. Langley The first GPS III satellite, “Vespucci,” was […]


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

L2C and Next-Generation Smart PNT Receivers

August 12, 2015

Are you using a legacy-model PNT (position, navigation and timing) receiver or a smart PNT receiver, and why […]


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This article is tagged with , , , , , , , , and posted in Defense, Opinions
Image: GPS World

To L2C or Not to L2C? That Is the Operational Question.

July 22, 2015

Half of the GPS constellation now transmits the new civil signal, L2C. In a matter of weeks, that […]


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Image: GPS World

Activation of Pre-Operational CNAV Message Set for April 28

April 24, 2014

U.S. Air Force Space Command will be implementing CNAV messages on the GPS L2C and L5 signals beginning […]


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Image: GPS World

PNT Advisory Board Hears Air Force CNAV Plan

March 12, 2014

  The U.S. National Space-Based Positioning, Navigation, and Timing (PNT) Advisory Board has published the minutes of its […]


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This article is tagged with , , , , , , and posted in Defense, Featured Stories, GNSS, Latest News
Image: GPS World

Comment Period on Pre-Operational CNAV Message Opens

March 5, 2014

A Federal Register Notice has been published allowing for a 30-day comment period on the proposed CNAV message […]


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This article is tagged with , , and posted in Featured Stories, GNSS, Latest News
Image: GPS World

Air Force Directs Early Civil Navigation (CNAV) Message-Populated L2C and L5 Signals

December 17, 2013

The U.S. Air Force is directing transmission of continuous CNAV message-populated L2C and L5 signals starting in April […]


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Image: GPS World

2C or Not 2C: The First Live Broadcast of GPS CNAV Messages

July 8, 2013

By Oliver Montenbruck, Richard B. Langley, and Peter Steigenberger Over the past several years, some users of the […]


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