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GPS

Faulty Booster Component May Delay IIR-M Launches; L5 Signal Ready to Go
June 4, 2008

Faulty Booster Component May Delay IIR-M Launches; L5 Signal Ready to Go

GPS IIR satellite. Lockheed Martin photo.

Suspected faulty components in a Delta II rocket are delaying the launch of the final two modernized GPS Block IIR satellites, possibly preventing the early broadcast of an L5 civil signal that faces a 2009 deadline for being on the air.

According to Air Force officials at the GPS Master Control Station, Schriever Air Force Base, Colorado, and Patrick AFB near the Cape Canaveral launch site, the questionable component is the 40-second timer that triggers separation of the third stage booster from the GPS space vehicle. Affected are both the 20th Block IIR-M, which had been scheduled to launch this month with a civil L5 test signal enabled in the navigation payload, and GPS IIR-21.

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By Glen Gibbons
SkyTraq Single-Chip OEM GPS
June 3, 2008

SkyTraq Single-Chip OEM GPS

SkyTraq’s Venus634LP

Taiwanese fabless GNSS manufacturer SkyTraq Technology, Inc., has announced a one-square-centimeter GPS OEM receiver, the Venus634LP.

The L1 GPS C/A-code, receiver includes 51 acquisition channels and 14 tracking channels and is also capable of processing satellite-based augmentation system (SBAS) signals. Measuring 10 x 10 x 1.2 millimeters, the Venus634LP integrates LNA, SAW filter, RF front-end, GPS baseband, 0.5ppm TCXO, RTC crystal, LDO regulator, and passive components in an LGA44 package with 0.8 pitch.

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By Glen Gibbons
Xsens Offers SW/HW Upgrades for AHRS/GPS Products
May 26, 2008

Xsens Offers SW/HW Upgrades for AHRS/GPS Products

MT Manager

Xsens Technologies B.V. has announced the release of a new version of the MT Software Development Kit (SDK) and new firmware for all of the Enschede, The Netherlands¬based company’s inertial motion trackers: MTi, MTi-G and MTx.

The software and firmware contain predefined settings for optimized orientation output in several specific application areas. Applications relying on data output for orientation, stabilization, or navigation will benefit.

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By Glen Gibbons
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Lockheed Martin Wins GPS IIIA Contract
May 16, 2008

Lockheed Martin Wins GPS IIIA Contract

A team led by Lockheed Martin Space Systems Company has won U. S. Air Force approval to build the GPS Block IIIA satellites under a contract valued at up to $3.568 billion.

The long-delayed decision was announced May 15. The acquisition covers the first of three sets of Block III satellites currently scheduled to begin launching in 2014.

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By Glen Gibbons
Overlook Names New President
May 15, 2008

Overlook Names New President

Doug Taggart

Douglas S. Taggart has been named president of Overlook Systems Technologies, Inc., effective June 1, 2008.

A professional engineering and technical services firm headquartered in Vienna, Virginia, Overlook has extensive experience in GPS and Positioning, Navigation and Timing (PNT) technologies, operations ,and applications, as well as electronic warfare, space and information operations, and space control.

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By Glen Gibbons
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SMC’s Change of Command

SMC’s Change of Command

Lt. Gen. Michael A. Hamel, commander of the Space & Missile Systems Center at Los Angeles Air Force Base, will turn over responsibilities to Lt. Gen. John T. "Tom" Sheridan on May 16. General Sheridan was formerly the Deputy Director of the National Reconnaissance Office.

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By Glen Gibbons
Applanix Launches POS AV with Integrated Trimble GNSS, Upgraded DSS RapidOrtho
May 7, 2008

Applanix Launches POS AV with Integrated Trimble GNSS, Upgraded DSS RapidOrtho

Applanix has announced the availability of a high altitude tactical mapping option for its DSS RapidOrtho system as well as the integration of the Trimble BD960 GNSS receiver module for its POS AV airborne position and orientation system.

With the GNSS module, POS AV products now support GPS L1/L2 and GLONASS L1/L2 processing, both in real-time and post-mission. The BD960 will also be able to receive and process the next-generation GPS L2C and L5 signals.

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By Inside GNSS
Hemisphere GPS Reports Record Revenues, Profits in First Quarter
May 1, 2008

Hemisphere GPS Reports Record Revenues, Profits in First Quarter

Hemisphere GPS has reported US$25.9 million in revenues for the first quarter of 2008, an increase of 56 percent from the year-earlier period (US$16.7 million) and a record for the company.

The company also reported record first quarter net income of $5.8 million, or $0.11, an increase of 169 percent compared to $2.2 million, or $0.05 per share, in the first quarter of 2007.

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By Glen Gibbons
Spectrum Control Offers Dual-Frequency Patch Antenna

Spectrum Control Offers Dual-Frequency Patch Antenna

Spectrum Control, Inc., of Fairview, Pennsylvania, has designed a new single-element patch antenna that can receive and/or transmit two frequency bands — GPS and satellite communications — in one package.

The new antennas were developed for GPS applications using either Globalstar, for telephone and low-speed data communications, or Iridium’s voice and data communications. The frequencies cover 1575MHz (GPS) to 1615MHz (Globalstar) and 1575MHz (GPS) to 1621MHz (Iridium).

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By Glen Gibbons
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