Compute Local Satellite Positions

Compute the local altitude, azimuth, range, and range rate of GPS and Glonass satellites.
If you don't know your local longitude/latitude, go here or go here .

Enter Longitude :
(degrees) (minutes) (seconds) East/West:

Enter Latitude :

(degrees) (minutes) (seconds) North/South:

Enter Elevation (meters) :

Russian Glonass satellites:

US Naval Observatory Home Page
What Time Is It? USNO Time Service Home Page
GPS Home Page at USNO

Send questions or comments to: Last updated 6 June 96.
Time Service Dept., U.S. Naval Observatory, Washington, DC