The Global Positioning System (GPS) IIF satellite (GPS IIF) is designed to upgrade timing and navigation accuracy of the current GPS system and add a new signal for civilian use.
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.