As with all other satellite services, the satellites are designed with a life of 10-15 years. The limit being the amount of fuel for stationkeeping not life of solar arrays etc. In that amount of time they generally do a good job of paying for thier replacements.
Slashdot Mirror
As with all other satellite services, the satellites are designed with a life of 10-15 years. The limit being the amount of fuel for stationkeeping not life of solar arrays etc. In that amount of time they generally do a good job of paying for thier replacements.