TAG: GPS IIF

GPS IIF-8 Launched Successfully from Cape Canaveral

October 29, 2014By
GPS_IIF_Separation-O

The U.S. Air Force launched the eighth GPS IIF satellite from Cape Canaveral Air Force Station in Florida today at 1:21 Eastern Time, as scheduled. An Atlas V 401 carried the GPS satellite aloft. GPS IIF-8 is one of the next-generation GPS satellites, incorporating various improvements to provide greater accuracy, increased signals, and enhanced performance for users. With this eighth satellite now launched, only four more Block... read more

This article is tagged with , and posted in Featured Stories, GNSS News, GPS Modernization, Latest News

Eighth GPS IIF Set to Launch Wednesday

October 23, 2014By
Navstar-IIF-O

The Air Force is set to launch the eighth GPS IIF satellite from Cape Canaveral Air Force Station in Florida on October 29. The 18-minute launch window opens at 1:21 p.m. EDT. An Atlas V 401 will launch the GPS IIF-8 mission for the U.S. Air Force. The live webcast will begin at 1:01 p.m. EDT. As described by the Air Force, GPS IIF-8 is... read more

Latest Words from the Acquisition Guru of the World’s Gold Standard for PNT

September 1, 2014By
Col. William Cooley, Director, U.S.A.F. Global Positioning Systems Directorate.

Colonel William “Wild Bill” Cooley, director of the GPS Directorate at Space and Missile Systems Center, discusses CNAV signals, GPS IIF launches, and the OCX with Defense Editor Don Jewell. There is probably no busier United States Air Force officer than Colonel William “Wild Bill” Cooley, Ph.D., the director of the GPS Directorate at Space and Missile Systems Center (SMC),... read more

Seventh GPS IIF Satellite Lauch Planned for Friday

July 29, 2014By
Photo credit: United Launch Alliance.

The Air Force is set to launch the seventh GPS IIF satellite this Friday. An Atlas V 401 will launch the GPS IIF-7 mission for the U.S. Air Force on Friday, August 1, from Space Launch Complex (SLC)-41 at Cape Canaveral Air Force Station, Florida. The 18-minute launch window opens at 11:23 p.m. EDT. A live webcast of the launch will begin at 11:03 p.m. EDT. To... read more

This article is tagged with , , and posted in GNSS News, GPS Modernization, Latest News

Intel’s Mini-PC: A Cheap Server for an RTK Base

June 23, 2014By

I’ve written this many, many times in the past eight years that I’ve written for GPS World magazine, but I have to write it again — this is an exciting time for GNSS! For me, high-precision GNSS is particularly exciting. I’ve been traveling like crazy, and involved in a number of really fun projects that incorporate high-precision GNSS. Of course,... read more

This article is tagged with , , , , , , and posted in Newsletter Editorials, Survey Scene

The System: Sixth GPS IIF Launched into Orbit

June 1, 2014By
Photo credit: United Launch Alliance.

A sixth GPS IIF satellite was launched aboard a United Launch Alliance Delta 4 rocket from Cape Canaveral at 8:08 p.m. EDT May 16. The satellite, designated GPS IIF-6 and built by Boeing, is one of the next-generation GPS satellites, incorporating improvements to provide greater accuracy, increased signals, and enhanced performance for users. According to Boeing, each GPS IIF satellite... read more

This article is tagged with , , , , and posted in The System

GPS IIF-6 Launch Tracked by GPS, Not Radar

May 19, 2014By

Friday’s launch of a Delta 4 rocket carrying the latest GPS satellite was tracked via GPS itself instead of by radar, reports Spaceflight Now in an article. United Launch Alliance’s Atlas and Delta rockets are transitioning to GPS metric tracking for range safety functions, which protect the public and property should a launch vehicle veer off course. The move is a... read more

Disruption in Australia Traced to User Equipment

May 14, 2014By

User equipment incorrectly interpreting data from a satellite set “unhealthy” led to an apparent constellation outage for roughly 1,000 fleet vehicles across Australia in April. The problem was traced to the way a GPS/telecomm chip reacted to an extended navigation test aboard SVN-49, having to do with the recently launched IIF satellite, SVN-64. Although SVN-49 was set unhealthy at the... read more