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November 16, 2016

Congress Likely to Delay Action on Budget Items, Affecting GPS

Congress is back in Washington with a December 9 deadline to pass the 2017 Fiscal Year (FY17) federal budget and avoid a government shutdown.

Lawmakers are widely expected to pass another continuing resolution, or CR, leaving the final decisions on the FY17 budget until after President-elect Donald Trump takes office in January — an approach that could both help and hurt the Pentagon's GPS modernization effort.

November 14, 2016

A Short History of Radio Waves and GPS: Parkinson Receives Marconi Prize

Probably no one else could have accomplished Brad Parkinson’s bravura performance at the joint meeting of the Stanford PNT Symposium/Marconi Society earlier this month: in the morning sketch a “short history” of radio waves from Marconi to GPS  and in the evening recount a brief retrospective on the Global Positioning System from its prehistory in the 1960s to its future in the 21st century.

And in between moderate a panel of past Marconi Fellows, among whom Parkinson is the latest addition.

October 31, 2016

RTCA to Weigh Ligado Proposal

Federal aviation officials have asked the RTCA, Inc., standards organization to comment on a plan designed to help prevent a proposed wireless broadband network from interfering with the certified GPS receivers used by aircraft.

October 31, 2016

Handling an Embarrassment of Riches — Too Many Satellites

Experts working on standards for airborne equipment using GPS, Galileo, and a satellite-based augmentation system (SBAS) appear to have found a way to deal with an unusual problem — too many satellites.

October 27, 2016

ESNC Features Growing Drone Presence

Unmanned aerial systems (UAS), or drones, highlighted the entries at the 2016 European Satellite Navigation Competition (ESNC).

October 25, 2016

NASA and ESA to Test GPS/Galileo Receivers on Board the International Space Station

The National Aeronautics and Space Administration (NASA), the European Space Agency (ESA) and Qascom, an Italian company specializing in Galileo, are collaborating to build the first GPS and Galileo receiver to be tested on board the International Space Station (ISS) Space Communications and Navigation (SCaN) Testbed.

October 16, 2016

GPS Adjacent Band Study Shows Need for Interference Tolerance Masks

The U.S. Department of Transportation (DoT) has released the first data from its study of power levels for services seeking to use spectrum near GNSS frequencies for ground-based and other applications that could interfere with satellite navigation.

October 15, 2016

Homeland Security gives receiver manufacturers best practices for dealing with the recent leap second event

(UPDATED January 1, 2017) A positive leap second was inserted between second 23:59:59 UTC of 31 December and second 00:00:00 UTC of 1 January 2017. This extra second is displayed on UTC clocks as 23:59:60. The last leap second was introduced in UTC on 30 June 2015 at UTC 23:59:60

October 15, 2016

Pentagon Tells Congress It Wants GPS OCX

It's official. The Department of Defense is sticking with its current GPS ground system development program and with its current prime contractor Raytheon — although the details of how it will realign the program remain unclear.

October 14, 2016

Ariane 5 Galileo Launcher Taking Shape at Spaceport

The modified Ariane 5 launcher that will lift four Galileo satellites into space is being assembled at Europe's Spaceport in Kourou, French Guiana, preparation for launch on November 17.
 
The launch is a major step forward for the Galileo program. The 14 Galileo spacecraft already in orbit have been launched two at a time, by Soyuz from French Guiana.
 
Having 18 satellites in the constellation should enable initial Galileo operational services to begin, a decision that will be taken by the European Commission, the system’s owner.
 

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