Newsletter Editorials

RTK on a Smartphone Running AutoCAD: I Did It Last Week

April 10, 2014By
20140327_161552

Last week was spring break (for high school and college) for my kids. We decided to drive to San Francisco and the surrounding area to do a little sightseeing. It’s a beautiful place. This is a view from our 3rd floor room in the hotel, looking over the bay. Here’s a view from the Marin Headlands overlooking San Francisco Bay and... read more

This article is tagged with , and posted in Newsletter Editorials, Survey, Survey Scene

The Adventure of the Atomic Clock

April 9, 2014By
image001

In consulting my notebooks for the spring of 2014, I find many remarkable cases that engaged the attention of my intimate friend Mr. Sherlock Holmes. The intrigue into which we were drawn by the visiting American, Geo. P. Hess, probed the unforeseen effects of a launchpad fire, the mysterious slide to the right of two system segments, and the enigma of the vanishing leaders. read more

This article is tagged with , , , and posted in Defense PNT Newsletter, Newsletter Editorials

EGNOS, European Superiority, and the Need to Get ‘Very, Very Busy’

March 31, 2014By

The European GNSS scene received an early Easter present with the successful launch of two new-generation transponders for the European Geostationary Navigation Overlay Service (EGNOS) satellite-based augmentation system (SBAS). The two geostationary transponders, GEO-2, rose on board the SES ASTRA 5B satellite from the European Space Port in Kourou, French Guiana, on March 22 via an Ariane 5 lifter. The... read more

Squeeze at the Launchpad for Galileo

March 31, 2014By

With the first two full-operational-capability (FOC) Galileo satellites successfully through their thermal-vacuum tests, the program’s next hurdle is securing a firm launch date in June aboard a Europeanized Russian Soyuz rocket, operated from Europe’s spaceport on the northeast coast of South America. It will not be a walk in the park. Competing with the two Galileo FOC satellites for the... read more

GPS CNAV Debate, and GNSS Interoperability Moves Forward

March 27, 2014By

The most modernized GPS satellites on orbit will broadcast a new civil navigation message (CNAV) on the L2C and L5 signals in April. That's the plan, at least. An update on the CNAV debate in the United States. Also, summaries of key presentations from the international committee charged with inter-GNSS compatibility and interoperability. read more