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Completion of Satellite Repositioning Optimizes GPS Constellation

Completion of Satellite Repositioning Optimizes GPS Constellation

Successful  completion today (June 15, 2011) of the rephrasing of the GPS constellation known as “Expandable 24,” has produced the most optimal geometry in the system’s 42-year history, maximizing GPS coverage for all users worldwide.

The 2nd Space Operations Squadron (2 SOPS) of the 50th Space Wing at Schriever Air Force Base, Colorado, successfully executed the two-phase expansion and repositioning of satellites, which improves global GPS coverage and provides a more robust signal and higher probability of signal acquisition in terrain-challenged environments.

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By Inside GNSS
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Bliley Launches New GPS Frequency and Timing Modules

Bliley Launches New GPS Frequency and Timing Modules

Bliley GMX1001

Bliley Technologies, Inc., has unveiled two GPS frequency and timing modules at the 2011 IEEE MTT-S International Microwave Symposium taking place this week (June 5–10, 2011) in Baltimore, Maryland.

The company’s GMX1001 and GMM1002 modules launch a new product line for the company — introducing the first in a series of next-generation technologies for the Erie, Pennsylvania–based company.

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By Inside GNSS
LightSquared GPS Interference Controversy Headlines National PNT Advisory Board Meeting
June 8, 2011

LightSquared GPS Interference Controversy Headlines National PNT Advisory Board Meeting

The Space-Based PNT National Coordination Office is located in the Dept. of Commerce Hoover Building

Representatives from the Federal Aviation Administration (FAA), LightSquared, and Trimble will weigh in on the GPS vs. LightSquared interference at the afternoon session of a National Space-Based Positioning, Navigation and Timing (PNT) Advisory Board meeting tomorrow (June 9, 2011).

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By Dee Ann Divis
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IFEN: SX-NSR Receivers Shipping; Final GATE Certification
June 6, 2011

IFEN: SX-NSR Receivers Shipping; Final GATE Certification

IFEN’s SX-NSR Multi-Channel, Multi-GNSS Receiver

IFEN GmbH has begun shipping the first units of its new second-generation, multi-frequency and multi-GNSS software receiver — the SX-NSR.

The Poing, Germany–based company has also announced that the Galileo Test and Development Environment (GATE) facility that it instrumented and operates near Berchtesgaden for the German Space Agency (DLR) has been certified as a Galileo open-air test laboratory conforming to ISO 17025.

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By Inside GNSS
Qualcomm Adds GLONASS Capability to Chipsets

Qualcomm Adds GLONASS Capability to Chipsets

Qualcomm Incorporated has announced the company’s product support for the Russian GLONASS satellite system to enable the use of both GPS and GLONASS networks simultaneously for improved location performance.

The first GLONASS-capable phone is the MTS 945 from Chinese phone manufacturer ZTE developed with Russian chipset manufacturer AFK Sistema and powered by Qualcomm’s Snapdragon MSM7x30 chipset.

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By Inside GNSS
NovAtel, QinetiQ Collaborate on Anti-Jam GPS System
June 1, 2011

NovAtel, QinetiQ Collaborate on Anti-Jam GPS System

NovAtel Inc. in collaboration with QinetiQ Ltd. has developed GAJT (pronounced “Gadget”), the world’s first single-enclosure GPS anti-jam system small enough for light armored and other land-based military vehicles. GAJT combines NovAtel and QinetiQ technologies in a stand-alone, rugged enclosure that mounts to the exterior of vehicles.

GAJT is a seven element controlled reception pattern antenna (CRPA) that nulls jammers, ensuring GPS positioning capabilities are retained during combat, training, or other vehicle-based missions.

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By Inside GNSS
Test Results: LightSquared Would Cause Serious Interference to GPS Receivers
May 28, 2011

Test Results: LightSquared Would Cause Serious Interference to GPS Receivers

Las Vegas site for LightSquared/GPS tests

Tests of GPS receiver vulnerability to transmissions from terrestrial base stations in the proposed LightSquared 4G/LTE broadband service were scheduled to wrap up on May 27, but results as we post this message clearly indicate substantial adverse effects on GPS user equipment.

On June 1–2, the Technical Working Group (TWG) set up by the LightSquared-led working group mandated by the Federal Communications Commission (FCC) will have its first face-to-face meeting since the trials began to sort out the results.

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By Inside GNSS
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