TAG: Russian monitoring stations

Letters: Galileo Sync, GLONASS Scoop, an Open Letter

June 23, 2014By

June Cover Story In the June issue’s cover story, “Interchangeability Accomplished,” is a paragraph headed, “Satellite Intersystem Biases,” which appears to assert that Galileo System Time (GST) is 3 seconds ahead of UTC. However, in the version of the Galileo Signal In Space Interface Control Document posted at: http://ec.europa.eu/enterprise/policies/satnav/galileo/files/galileo-os-sis-icd-issue1-revision1_en.pdf, paragraph 5.1.2 appears to indicate that Galileo System Time (GST) was synchronized, at... read more

Russia Turns IGS Data Back on — Sort of

June 5, 2014By

On June 2, GPS World reported that GPS tracking stations co-sponsored by U.S. interests but located in Russia had stopped making their data available to scientists and others. Now, “It looks like the tap has been turned back on, at least at slow flow,” reports Richard Langley, GPS World Innovation editor and University of New Brunswick professor. “Hourly and daily... read more

Russia Turns off Data from IGS GPS Tracking Stations

June 2, 2014By
Russia-IGSstations-O2

As announced by Russian Deputy Prime Minister Dmitry Rogozin on May 13, 2014, GPS tracking stations co-sponsored by U.S. interests have stopped making their data available to scientists and others. The tap on the flow of data from 11 stations was turned off starting on May 31. The data flow included hourly and daily data files from the stations as... read more

GPS/GLONASS Dispute: CEO Clarifies Misunderstandings

May 23, 2014By
LD-Javad

“Use any opportunity to create friendship and peace,” urged Javad Ashjaee, president and CEO of JAVAD GNSS, in a May 23 conversation with journalists. He decried the recent controversy about monitoring stations on both U.S. and Russian soil, saying it was based in misinformation and misinterpretations, inflated by a political crisis in a completely different area. “This [GNSS] is a... read more