GNSS

India’s fifth navigation satellite launched

January 20, 2016By
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The fifth satellite in the Indian Regional Navigation Satellite System (IRNSS) constellation lifted off on time Jan. 20 from Satish Dhawan Space Center on Sriharikota Island, on India’s east coast. As in the previous four launches of IRNSS satellites, the navigation satellite rode aboard a Polar Satellite Launch Vehicle (PSLV). This is the 33rd launch for the PSLV. After the PSLV-C31 lift-off at 0401 GMT Wednesday (11:01... read more

Prize for GNSS opinions

January 19, 2016By

Geomatics specialist Larry Tinney won the $50 gift card in our January drawing among takers of the Reader Poll. You can win too! Take the poll below by Feb. 22 to answer the question: What is the biggest challenge in simulating GNSS environments for testing products under development? All poll takers will be entered in a drawing for a $50... read more

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First GPS III satellite completes critical test

January 19, 2016By

The first GPS III satellite has passed a critical test, according to satellite builder Lockheed Martin. Rick Ambrose, executive vice president of Lockheed Martin Space Systems of Denver, tweeted that the satellite has successfully its thermal vacuum test (TVAC). Critical TVAC test for @usairforce’s first GPS III satellite successfully completed! pic.twitter.com/fYx6MJK4On — Rick Ambrose (@RickAmbroseSSC) January 13, 2016 Lockheed Martin Space... read more

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Fifth IRNSS satellite on schedule to launch

January 19, 2016By
IRNSS-1E spacecraft integrated with PSLV-C31, with the two halves of the heat shields. (Photo: IRNSS)

The fifth satellite in the Indian Regional Navigation Satellite System (IRNSS) constellation is ready for lift-off. IRNSS-1E will launch at 0401 GMT Wednesday (11:01 p.m. EST Tuesday) from Satish Dhawan Space Center on Sriharikota Island, on India’s east coast. As in the previous four launches of IRNSS satellites, the navigation satellite will ride aboard a Polar Satellite Launch Vehicle (PSLV). This is the... read more

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Optimal search strategies, open-interface receiver: New speakers for webinar on GNSS receiver design

January 13, 2016By
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New speakers have been announced for the Jan. 21 webinar “GNSS Receiver Design: New MEMS Components, Optimal Search Strategies.” read more

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DARPA hosts Proposers Day on new atomic clock

January 13, 2016By

The Defense Advanced Research Projects Agency (DARPA) is holding a Proposers Day on Feb. 1 to inform potential contractors about the Atomic Clock with Enhanced Stability (ACES) program. ACES is a potential $50 million program that seeks to develop battery-powered atomic clocks that work to provide warfighters with synchronization and precision timing capabilities during navigation, communications, electronic warfare and reconnaissance... read more

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New USAF RFP published for GPS III satellites

January 12, 2016By
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The GPS Directorate at the Space and Missile Systems Center (SMC) continues to look for someone to build 22 GPS III satellites in the near future. SMC issued a request for proposals on Jan. 8, with rather complicated terms. The first eight GPS III satellites are already under contract, and two have been built, but delivery and launch schedules have... read more

PNT Roundup: Taviga collaboration, leap second reconsidered and drone rules

January 12, 2016By
eLoran Antenna Park of 13 200-meter masts at Anthorn, UK.

eLoran New joint venture to ensure, assure secure PNT The founders of Chronos and UrsaNav have formed a new collaboration, named Taviga, that will focus on preserving and establishing low-frequency (LF) positioning, navigation and timing (PNT) networks in the United Kingdom, Europe and the U.S., using repurposed Loran-C or purpose-built eLoran technology. Taviga aims to ensure timing and navigation for... read more

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