How many gps satellite

The GPS constellation is a mix of old and new satellites. As of November 2, , there were a total of 30 operational satellites in the GPS constellation, not including the decommissioned, on-orbit spares.

Go there. GPS is operated and maintained by the U. Space Force. Website host: NOAA. Privacy policy. This page was last modified on July 12, For the desktop version of this page, rotate your device to landscape. Skip to content GPS. GOV Official U. View AF news release. All legacy signals 2nd civil signal on L2 L2C Learn more New military M code signals for enhanced jam resistance Flexible power levels for military signals 7.

This page was last modified on February 22, For the desktop version of this page, rotate your device to landscape. Skip to content GPS. GOV Official U. Space Segment The space segment consists of a nominal constellation of 24 operating satellites that transmit one-way signals that give the current GPS satellite position and time. Learn more Control Segment The control segment consists of worldwide monitor and control stations that maintain the satellites in their proper orbits through occasional command maneuvers, and adjust the satellite clocks.

It tracks the GPS satellites, uploads updated navigational data, and maintains health and status of the satellite constellation. Learn more User Segment The user segment consists of the GPS receiver equipment, which receives the signals from the GPS satellites and uses the transmitted information to calculate the user's three-dimensional position and time.

Augmentations A variety of GPS augmentation systems and techniques are available to enhance system performance to meet specific user requirements.

These improve signal availability, accuracy, and integrity, allowing even better performance than is possible using the basic GPS civilian service. Learn more Performance The outstanding performance of GPS over many years has earned the confidence of millions of civil users worldwide. It has proven its dependability in the past and promises to be of benefit to users, throughout the world, far into the future.