TAG: GPS Block IIF satellite

Delta Rocket Moves to Launchpad for March GPS Launch

February 9, 2015By

The Delta 4 rocket that will launch the next GPS satellite has been rolled out to the launch pad, reports Spaceflight Now. The satellite itself, GPS IIF-9, will be attached to the rocket in March. The United Launch Alliance vehicle is scheduled for launch March 25. The launch will be the 371st Delta rocket since 1960 and the 29th Delta 4 since 2002.... read more

The System: eLoran Operational on Eastern UK Coast

December 1, 2014By
Bridge of the Galatea, a GLA vessel that carries a eLoran receiver and conducted tests of the new system.

Back-up to Vulnerable GPS Signals Required for Busy Shipping Lanes The General Lighthouse Authorities (GLAs) of the UK and Ireland announced October 31 the initial operational capability of UK maritime eLoran. Seven differential reference stations now provide additional position, navigation, and timing (PNT) information via low-frequency pulses to ships fitted with eLoran receivers. The service will help ensure they can... read more

Delay in Setting Recently Launched Block IIF Satellite Healthy

April 17, 2014By
A United Launch Alliance Delta IV lifts off from Space Launch Complex-37 with the Air Force's Global Positioning System (GPS) IIF-5 satellite. This launch marked the 25th Delta IV flight since the first flight in 2002.

The latest GPS Block IIF satellite, IIF-5 or SVN64 (operating as PRN30), was launched on February 21, 2014. Typically, GPS satellites are checked out and made operational within about a month following launch. SVN64 has yet to be set healthy. The delay is due to an extended navigation test being performed by the GPS master control station. A navigation upload... read more

New GPS IIF Satellite Launched

February 21, 2014By
A United Launch Alliance Delta IV lifts off from Space Launch Complex-37 with the Air Force's Global Positioning System (GPS) IIF-5 satellite. This launch marked the 25th Delta IV flight since the first flight in 2002.

News compiled with the assistance of CANSPACE listserv. After a brief delay due to concerns over solar radiation trends, the GPS IIF-5 satellite was successfully launched at the end of the designated launch window at 01:59 UTC on February 21. The satellite, attached to the launch rocket’s upper stage, was initially placed in a highly elliptical orbit. Following a third... read more

GPS IIF-5 Launch Delayed

October 22, 2013By

The scheduled October 23 launch of GPS IIF-5, the fifth in the current “follow-on” generation of GPS satellites, has been postponed in order to complete a review of an adjustment made to the rocket’s upper stage engine. A fuel leak in that engine of the Delta 4 rocket during a GPS launch in October of last year created some worries... read more

Col. Bernard Gruber, GPS Directorate: Farewell Perspective on GPS Program

June 12, 2013By

I first met just-pinned-on, shiny and bright, Captain Bernard Gruber-USAF in 1992. Bernie had just arrived at the Space and Missile Systems Center at Los Angeles Air Force Base in California where he would hold several important positions. For those readers not aware of the mission and importance of the Space and Missile Systems Center (SMC), today SMC, which began... read more

Col. Bernie Gruber: Farewell Perspective on GPS Program

June 11, 2013By

This week’s Defense PNT newsletter by GPS World contributing editor Don Jewell carries an exit interview with Col. Bernard “Bernie” Gruber, who is leaving his post as director of the GPS Directorate after more than three and a half years in that position, and concluding his 26-year U.S. Air Force career. Look for the full interview later this week on... read more

Boeing Completes 5th GPS IIF Satellite for U.S. Air Force

June 18, 2012By

The Boeing Company has completed the fifth of 12 Global Positioning System (GPS) IIF satellites the company is building for the U.S. Air Force. The spacecraft was built at the Satellite Development Center in El Segundo using the GPS IIF pulse-line manufacturing approach, which draws on commercial production line practices to build satellites faster and more efficiently. read more

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