On february 5 2016 the final satellite in the iif block was successfully launch.
Boeing gps iif satellite.
Gps block iif or gps iif is an interim class of gps which are used to keep the navstar global positioning system operational until the gps block iiia satellites become operational.
As the prime contractor on the gps block i block ii block iia and block iif programs boeing has built 40 of the 62 gps satellites launched since 1978.
They were built by boeing to be operated by the united states air force being launched by united launch alliance using evolved expendable launch vehicles.
The gps receiver needs 4 satellites to work out your position in 3 dimensions.
The constellation requires a minimum of 24 operational satellites and the official target count is 33.
Gps iif is the product of boeing s long legacy with gps capabilities dating back to the first gps satellite program in 1974.
February 28 2013 in space.
Deliver sustained reliable gps capabilities to america s warfighters our allies and civil users.
But one of the most important steps they take can be measured in single numbers.
They are the final component of the block ii gps constellation to be launched.
Rotating 220 miles 354 km above earth is the international space station where boeing provides a safe environment for more than 200 experiments.
The block iif satellites of the gps fleet are built by boeing and are based on the as 4000 satellite bus.
As of august 2020 75 global positioning system navigation satellites have been launched 31 of which are operational 9 in reserve 3 being tested 30 have been retired and 2 were lost at launch.
The global positioning system iif is a current iteration of the gps satellite which boeing began building in 1978.
Gps provides positioning navigation and timing service to civil and military users worldwide.
The company has constructed more than 40 gps satellites that cumulatively have provided more than 540 years of on orbit service.
The gps iif delivers improved accuracy greater security and anti jam capabilities while maintaining baseline legacy gps performance.
The satellite has a mass of 1 630 kilograms 3 600 lb and a design life of 12 years.
Gps satellites circle earth at a distance of 11 000 nautical miles.
The first block iif space vehicle was launched in may 2010 on a delta iv rocket.
In 1996 the gps iif contract was awarded to the boeing company for the development and production of 33 space vehicles svs.
The satellite bus is 2 49 by 2 03 by 2 24 meters in size.
The vehicles have a liftoff mass of 1 630 kilograms and are equipped with two deployable three panel solar arrays for power generation.
4th boeing gps iif space vehicle arrives at florida launch site.
