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30 octobre 2015 5 30 /10 /octobre /2015 12:20
U.S. Air Force prepares to launch next GPS IIF satellite

GPS IIF will provide improved navigational accuracy through advanced atomic clocks, a longer design life than previous GPS satellites. United Launch Alliance courtesy photo

 

Oct. 29, 2015 By Ryan Maass (UPI)

 

LOS ANGELES -- The U.S. Air Force Space Command is preparing to launch the 11th Boeing-built Global Positioning System IIF satellite on Friday. The satellite will launch aboard a United Launch Alliance Atlas V 401 vehicle from Cap Canaveral Air Force Station in Florida. The Global Positioning System IIF-series satellite (GPS IIF) aims to provide improved navigational accuracy. Lt. Gen. Samuel Greaves, the Space and Missile Systems Center commander and Air Force program executive officer for space, says the satellite plays a key role in modernizing space-based capabilities for GPS users around the world.

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14 octobre 2015 3 14 /10 /octobre /2015 06:20
Last of 12 GPS IIF Satellites Arrive at Cape Canaveral for Processing

 

Oct 9, 2015 ASDNews Source : US Air Force

 

The last Air Force GPS IIF in a block of 12 satellites was delivered to Cape Canaveral Air Force Station, Florida, from Boeing's manufacturing facility in El Segundo, California, Oct. 8 via a C-17 Globemaster III. A crowd from the government and industry partnership, who will complete the satellite's final assembly, gathered on the Cape's "Skid Strip" to watch the off-loading of the satellite they will prepare to launch aboard a United Launch Alliance rocket in 2016.

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23 mars 2015 1 23 /03 /mars /2015 13:20
Des satellites GPS de Boeing affectés par une erreur technique

Le premier GPS IIF de Boeing pour le compte de l'Armée américaine a été lancé le 27 mai 2010.

 

23 Mars 2015 par Dominique Filippone - lemondeinformatique.fr

 

 

L'US Air Force et Lockeed Martin travaillent à la résolution d'une erreur technique impliquant un système de contrôle au sol utilisé par certains satellites GPS IIF construits par Boeing. La précision des signaux ne serait pas perturbée par cet incident.

 

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12 août 2014 2 12 /08 /août /2014 07:20
7th Boeing GPS IIF Delivered to Orbit and Operational

 

CAPE CANAVERAL AIR FORCE STATION, Fla., Aug. 2, 2014 – Boeing

 

Third launch this year in Boeing-Air Force GPS modernization effort

 

A Boeing [NYSE: BA] Global Positioning System (GPS) IIF satellite, launched late yesterday, has sent the signals to controllers that confirm it is currently operating properly within the constellation that millions of people rely on for timing and navigation information.

 

GPS IIF-7 was launched aboard a United Launch Alliance Atlas-5 rocket from Cape Canaveral. It is the seventh of 12 such satellites Boeing has built for the U.S. Air Force, and the third on-orbit delivery this year.

 

“We are providing our Air Force partner and GPS users with a steady supply of advanced GPS IIFs,” said Craig Cooning, president of Boeing Network & Space Systems. “Our robust launch tempo requires vigilance and attention to detail, and mission success is our top priority. We continue to partner with the Air Force and ULA to effectively execute the launch schedule.”

 

Boeing and the Air Force will complete the full on-orbit checkout of the satellite next month. The GPS IIFs offer improved signal accuracy, better anti-jamming capability, longer design life and the new civilian L5 signal.

 

GPS IIF-8, slated for launch during the fourth quarter, arrived at Cape Canaveral on July 16 to undergo final launch preparations.

 

A unit of The Boeing Company, Boeing Defense, Space & Security is one of the world's largest defense, space and security businesses specializing in innovative and capabilities-driven customer solutions, and the world’s largest and most versatile manufacturer of military aircraft. Headquartered in St. Louis, Boeing Defense, Space & Security is a $33 billion business with 56,000 employees worldwide. Follow us on Twitter: @BoeingDefense.

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