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Latest GPS IIR-M goes into orbit

Dec. 27, 2007 at 7:52 PM   |   Comments

CAPE CANAVERAL, Fla., Dec. 27 (UPI) -- A new Global Positioning System Block IIR-M satellite was launched from Cape Canaveral, Fla., last week.

"A U.S. Air Force modernized Global Positioning System Block IIR -- GPS IIR-M -- satellite, designed and built by Lockheed Martin, was launched successfully today from Cape Canaveral Air Force Station aboard a United Launch Alliance Delta II launch vehicle," Lockheed Martin said in a statement Dec. 20.

"Designated GPS IIR-18M, the satellite is the fifth in a series of eight Block IIR-M spacecraft that Lockheed Martin Navigation Systems has modernized for its customer, the Global Positioning Systems Wing, Space and Missile Systems Center, Los Angeles Air Force Base, Calif. The Block IIR-M series includes new features that enhance operations and navigation signal performance for military and civilian GPS users around the globe," Lockheed Martin said.

"The successful deployment of this high-performance satellite represents another important milestone in the modernization of the GPS constellation and reflects our commitment to achieving mission success for our customer," said Don DeGryse, Lockheed Martin's vice president of navigation systems. "Our team is now focused on performing a rapid and efficient on-orbit checkout to quickly place the satellite's advanced navigational capabilities into operational service."

"Representing the second successful GPS IIR-M mission in just two months, the satellite launched today joins four IIR-M satellites and 12 other operational Block IIR satellites within the current 30-spacecraft constellation," Lockheed Martin said.

"Each IIR-M satellite includes a modernized antenna panel that provides increased signal power to receivers on the ground, two new military signals for improved accuracy, enhanced encryption and anti-jamming capabilities for the military, and a second civil signal that will provide users with an open access signal on a different frequency," the company said.

"The Global Positioning System enables properly equipped users to determine precise time and velocity and worldwide latitude, longitude and altitude to within a few meters," it said.

© 2007 United Press International, Inc. All Rights Reserved. Any reproduction, republication, redistribution and/or modification of any UPI content is expressly prohibited without UPI's prior written consent.
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