Information transmitted by each satellite on the orbits and state (health) of every satellite in the GPS constellation. Almanac data allows the GPS receiver to rapidly acquire satellites shortly after it is turned on.
Information stored in a GPS receiver containing satellite orbit data which aids in locating and tracking satellites when the receiver is first turned on.
Information transmitted by each satellite on the orbits and state (health) of the entire constellation. Almanac data allows the GPS receiver to rapidly acquire satellites as soon as it is turned on.
Satellite positions data. As each satellite broadcasts the position information for every satellite in the system, the receiver stores the information so it can determine it's own location. After the GPS unit is turned on, almanac data allows the receiver to quickly obtain satellite signals.