GPS Archives - Page 134 of 135 - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design

GPS

RTK Precise Positioning

Calgary, Alberta, Canada’s NovAtel Inc. offers a new real-time kinematic (RTK) positioning solution, known as AdVance RTK, designed to enhance the precision and performance of the company’s OEMV family of GNSS receiver boards.

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By Inside GNSS
November 1, 2006

Loran Revives; NDGPS Fades

The Loran terrestrial radionavigation system might well be pulled back from its 12-year-long dance on the brink of extinction, while the Nationwide Differential GPS (NDGPS) radiobeacon-based augmentation system may have finally been pushed over the edge.

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By Inside GNSS
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October 1, 2006

GPS: Launches of Satellites and Institutional Initiatives

Successful launch of the second modernized Block IIR satellite, IIR-15(M2), on September 25 and scheduling of another IIR-M launch on November 14 underlines recent progress in the GPS program.

IIR-15(M2), also identified by its space vehicle number (SVN58) and pseudorandom code number (PRN31), will be placed into orbital plane A, slot 2. The U.S. Air Force has designated the satellite to be launched in November as GPS IIR-16/M3, PRN15/SVN55.

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By Inside GNSS
September 1, 2006

USAF Announces More IIF Delay

The GPS Block IIF program continues to lose ground, with first launch of a satellite now projected as no sooner than May 2008 and as late as January 2009 in a “worst case,” scenario, according to the U.S. Air Force. Program costs are also increasing.

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By Inside GNSS

GPS . . . the Movie (You So Knew It Had to Happen)

This is what happens when the grandchildren of Mickey Rooney and Judy Garland go out and “rent the old barn and put on a show!”

First, there was an independent Seattle, Washington–based filmmaker named Eric Colley and a screenwriter named Hallie Shepherd who knew about the 150,000 actual GPS-guided scavenger hunts now taking place in 200 countries.

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By Inside GNSS

GPS Passes Artillery Tests

U.S. Department of Defense (DoD) contractors appear to be getting closer to fielding GPS-aided precision guidance systems that can withstand the arduous requirements of artillery shells and other fired munitions.

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By Inside GNSS
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May 1, 2006

GPS III, Block IIF Programs Hit New Delays

The GPS program appears to be struggling on several fronts recently.

GPS III, the next-generation modernization project for the space and ground segments, is facing renewed uncertainty and possible schedule delays. At the same time, anticipated first launch of the follow-on block of satellites (Block IIF) with the new civil L5 signal has been postponed.

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By Inside GNSS

Civil L1 Signals: Galileo ICD, GPS L1C, New MBOC

Within weeks of a bilateral working group’s recommendation for a common civil GNSS signal design, the European Galileo and U.S. GPS programs have filed draft interface specifications (IS) or interface control documents (ICDs) for the new signals planned for the L1 frequency (around 1575 MHZ).

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By Inside GNSS
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