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January 6, 2017

TRAK Microwave Releases 50-Channel GPS Reference Clock

8835 GPS Clock. Photo Source: TRAK Microwave.

TRAK Microwave, a brand of London, England– and Stuart, Florida–based Smiths Interconnect, has released its 8835 GPS Clock, a GPS time and frequency instrument. The 8835 GPS Clock is designed to deliver optimal power and interoperability options while maintaining GPS accuracy and reliability.

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By Inside GNSS
December 27, 2016

Air Force Continues to Test GPS III Satellite

GPS III satellites in production. Image Source: Lockheed Martin.

The U.S. Air Force Space and Missile Systems Center (SMC) says it continues to work on GPS III ceramic capacitor testing and plans to have an updated launch schedule published late next month.

As Inside GNSS reported, the first GPS III satellite’s delivery, originally scheduled for August, was delayed by four months because of a Lockheed Martin subcontractor’s failure to test a ceramic capacitor.

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By Inside GNSS
December 13, 2016

Air Force Approves Lockheed Martin’s GPS Ground Control Design

GPS III satellites in production. Image Source: Lockheed Martin.

The U.S. Air Force has approved Lockheed Martin’s current GPS satellite ground control system upgrade to enable it to operate with more powerful and accurate GPS III satellites, the company said.

The Air Force’s Critical Design Review (CDR) for the Contingency Operations (COps) contract, completed on November 17, allows Lockheed Martin to proceed with the modification of the existing Architecture Evolution Plan (AEP) Operational Control Segment. The AEP, maintained by Lockheed Martin, controls the 31 GPS IIR, IIR-M and IIF satellites in orbit.

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By Inside GNSS
May 20, 2015

Thinking Small

Equations 2, 7, 8, 9, 10 & 11

Unmanned aerial vehicles (UAV) are finding increased application in both domestic and governmental applications. Small UAVs (maximum take off weight less than 20 kilograms) comprise the category of the smallest and lightest platforms that also fly at lower altitudes (under less than 150 meters).

Designs for this class of device have focused on creating UAVs that can operate in urban canyons or even inside buildings, fly along hallways, and carry listening and recording devices, transmitters, or miniature TV cameras.

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By Inside GNSS
April 21, 2012

Parts Testing Drives Up GPS III Program Costs, Forces Prime to Forego $70 Million Incentive Fee

The core structure of the GPS III Non-Flight Satellite Testbed (GNST) stands vertical in Lockheed Martin’s GPS III Processing Facility. LM photo.

An emphasis on quality assurance in system engineering and components in the first GPS III satellite now under development has driven projected costs up in the program above the budgeted amount, leading the U.S. Air Force to deny a $70 million incentive fee to prime contractor Lockheed Martin.

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By Inside GNSS
February 16, 2012

Topcon Introduces Full-Spectrum GNSS Geodetic Antenna

Topcon CR-G5 GNSS antenna

Topcon Positioning Systems (TPS) announced the company’s new CR-G5 high-performance, GNSS choke ring antenna.

Based on the company’s new TA-5 full-spectrum GNSS antenna element, the CR-G5 geodetic antenna offers excellent vertical phase center stability over the GNSS frequency band superior performance in tracking low elevation satellite signals, according to the company.

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By Inside GNSS
December 27, 2011

NavtechGPS Takes on Raven GPS-Related Product Distribution

Raven Industries Electronic Systems Division has announced a new distributor relationship that will offer the company’s differential GPS (DGPS) products through NavtechGPS, of Springfield, Virginia.

Effective December 15, 2011, NavtechGPS began receiving and processing U.S. orders for Raven StarLink DGPS products, including line amplifiers, Raven Link timing & synchronization system, down/up converters, splitters, and antennas.

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By Inside GNSS
October 11, 2011

Interstate Launches First Common GPS Module–Based Receiver

L-3 Interstate Electronics Corporation (IEC) unveiled its next generation, military GPS receiver — incorporating a Common GPS Module (CGM) — at the Association of the United States Army (AUSA) 2011 Annual Meeting and Exposition currently under way in Washington, D.C.

The company’s first CGM product processes precise code (P-code), coarse/acquisition code (C/A) code, and the modernized military M-code signals. In addition, the new design provides a common security architecture including improved anti-jam and anti-spoof capabilities.

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By Inside GNSS
July 11, 2011

China Satellite Conference 2011

Hotel Nikko New Century in Haidian, Beijing

This officially sanctioned conference and equipment exhibtion addresses applications, technologies and trends for China’s satellite communications, broadcasting, remote sensing, navigation and positioning.It will be held at Hotel Nikko New Century in Beijing on October 26.28, 2011.

Subjects of most interest to Inside GNSS readers include:

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By Inside GNSS
June 9, 2011

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
April 26, 2011

10 High School Teams to Test Robots at the Smithsonian in the 2011 Mini Urban Challenge

Pace High School “Catastrophic” team, the 2010 winner

Ten Lego kits transformed into autonomous robotic vehicles will gather, with their high school student masters, on Saturday, May 21 at the Smithsonian for the 2011 national championship of the Institute of Navigation Mini-Urban Challenge.

It all happens from 8 a.m. to 5 p.m. in the Spark!Lab and first floor of the Lemelson Center for the Study of Invention and Innovation on the National Mall.

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By Inside GNSS