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January 11, 2010

USAF Repositions GPS Constellation to Improve Coverage in Afghanistan and Iraq

US Army soldier equipped with new Land Warrior gear, including GPS within a computer/radio subsystem (CRS) (photo: defenseimagery.mil)

Officials from the U.S. Strategic Command (STRATCOM) and Air Force Space Command (AFSPC) have announced their decision to optimize the GPS constellation over the next two years so as to improve global coverage for GPS military users in Afghanistan and Iraq. Inside GNSS reported on the initiative last November.

The need to support U.S. and allied military operations in Afghanistan and Iraq, where terrain in geographically challenging areas can degrade complete coverage of GPS signals, prompted the Air Force to seek ways to improve signal coverage.

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By Inside GNSS
November 15, 2009

Spirent Federal GPS Training Conference 2010 – East Coast

Spirent Federal Systems specializes in GPS and GNSS test technology. Its GNSS test systems can be tailored for government or industry needs, including support for encrypted military codes, interference simulation, commercial GPS applications and high dynamic testing. The company will hold identical training conferences this year on the East and West coasts.

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By Inside GNSS

Spirent Federal GPS Training Conference 2010 – West Coast

Spirent Federal Systems specializes in GPS and GNSS test technology. Its GNSS test systems can be tailored for government or industry needs, including support for encrypted military codes, interference simulation, commercial GPS applications and high dynamic testing. The company will hold identical training conferences this year on the East and West coasts.

The West Coast conference will be held at the Doubletree Hotel Anaheim/Orange County, Anaheim, California. 

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By Inside GNSS

U.S. Air Force Plans to Improve GPS Constellation Geometry for Military Forces in Afghanistan

Combined Joint Task Force 76 helicopter carries troops and supplies over Eastern Afghanistan. Photo by Staff Sgt. Michael Casteel, U.S. Army

U.S. Air Force officials are moving to reconfigure the GPS constellation to create a 27-satellite geometry that will improve the availability and accuracy of positioning, navigation, and timing (PNT) capabilities for U.S. military forces in Afghanistan and Iraq.

Although the constellation currently has 30 operational space vehicles (SVs), not including the SVN49/PRN1 that has still not been set healthy, a number of the spacecraft are located nearby other satellites — effectively creating a 24-SV geometry. (See accompanying figure.)

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By Inside GNSS
October 5, 2009

JAMFEST ’09

The 746th Test Squadron (746 TS) will offer authorized GPS users another testing and training opportunity in its series of JAMFEST events on November 2-6 2009 at  the Stallion Air Field in the northern White Sand Missile Range, near Socorro, New Mexico.

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By Inside GNSS
September 9, 2009

746th Sets JAMFEST ‘09

The 746th Test Squadron (746 TS) will offer authorized GPS users another testing and training opportunity in its series of JAMFEST events on November 2–6 at White Sands Missile Range, New Mexico.
Introduced in May 2004, JAMFEST provides a realistic GPS jamming environment for testing GPS-based navigation systems.

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By Inside GNSS
July 23, 2009

U.S. House of Representatives Trims $97 Million from OCX Budget, Cites Contract Delays

(Updated 11 a.m. (PDT), includes additional details from the GPS Wing)

A $97.4-million reduction in the GPS program made by the U.S. House of Representatives would affect the modernization program for the operational control segment (OCX), not the GPS III satellite budget as reported earlier.

In adopting the action of its appropriations committee, the full House approved H.R. 3326, the Department of Defense (DoD) Fiscal Year 2010 (FY10) budget, on July 30. The bill was referred to the Senate Appropriations Committee on August 3. In its report on the bill, the House committee said it made the cuts because of contract delays in the OCX program.

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By Inside GNSS
July 9, 2009

746th Test Squadron Spins Up Jamfest ‘09

Stallion Range Center, White Sands Missile Range, New Mexico, site of JAMFEST exercises

The 746th Test Squadron (746 TS) will offer authorized GPS users another in its series of JAMFEST training scenarios November 2–6 at at White Sands Missile Range, New Mexico.

Introduced in May 2004, JAMFEST provides a realistic GPS jamming environment for testing GPS-based navigation systems. Since its inception, JAMFEST has hosted a diverse customer base, including multi-service Department of Defense (DoD) groups, defense contractors, and civil organizations with objectives ranging from training personnel in GPS-denied or –degraded conditions to characterizing the performance of prototype advanced anti-jam technologies against operationally realistic threats.

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By Inside GNSS
July 8, 2009

GPS 746th Test Squadron Turns 50

746th Test Squadron commander Lt. Col. Amy McCain dedicates an exhibit with Director Randall Hayes of the New Mexico Museum of Space History in Alamogordo.

A tradition of testing of navigation systems and missile components began for the 746th Test Squadron (746 TS) in 1959 and continued as it reached its golden anniversary in May 2009.

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By Inside GNSS
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