This week, I’m pleased to present to you an essay written by Gavin Schrock, a licensed land surveyor (Washington), technology writer and administrator of the Washington State Reference Network (WSRN), which operates 103 GNSS reference stations that comprise the statewide RTK Network. He has w...
Read More →Gavin Schrock, LS, is a licensed surveyor, technology writer, and administrator of the Washington State Reference Network, a regional cooperative GPS network (RTN) in the Pacific Northwest. He has worked in surveying, mapping, data management, and GIS for over three decades in the civil, utility, an...
Read More →At the end of every year, I title this column Directions, in which I discuss significant developments, trends, technologies, companies, etc. in the GNSS industry. This year, two entities have captured my attention and I think have the potential to significantly transform the GNSS industry. The two e...
Read More →By Rich Keegan LightSquared is currently conducting a public campaign intended to persuade federal regulators to approve a nationwide broadband service that would be detrimental to users and applications that depend on GPS. The campaign relies on misinformation, revisionist history, half-truths, and...
Read More →GNSS Design & Test Newsletter, November 2011 LONDON — Technical conferences usually feature hits: advances in technology, new form factors, improved signal processing. But the opening day of the European Navigation Conference in London has dwelt instead on misses: vulnerabilities, threats, wea...
Read More →In true Wall Street lawyer fashion, LightSquared Executive VP Jeff Carlisle thinks he’s entitled to receive answers with regards to LightSquared’s GPS-jamming problem instead of providing answers. He seems to forget that LightSquared is the one applying for approval to proceed, and needs to prov...
Read More →The Good This month there is good news — great news, actually — where GPS and PNT (Position, Navigation and Timing) systems are concerned. On October 22, a Russian Soyuz rocket placed in orbit the first two validation satellites, built by EADS Astrium Germany, in the Galileo PNT constellation af...
Read More →We published a news story recently suggesting that Albert Einstein, the Mighty Hip Einie, got one thing wrong, or at least not quite totally right: the universal upper limit constituted by the speed of light. Precise-timing GPS receivers in a Geneva lab helped indicate that subatomic neutrinos can t...
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