GPS Tracking systems > Glossary
Glossary
GPS
GPS stands for Global Positioning System.
There are around 30 GPS satellites, which allow GPS devices to determine the location of the GPS receiver.
Since 1978, when the first satellite was launched, GPS systems were acting as a major source for locating and tracking vehicles, fleets, people and groups.
NAVSTAR GPS
Stands for Navigation Satellite Timing And Ranging Global Positioning System, which was developed by the united states defense force.
GPS Navigation signals
The primary navigation signal broadcasts 3 types of data-
Almanac, ephemeris, Coarse / Acquisition code- that is free for public use.
GPS calculating positions
All coordinates are calculated according to the World Geodetic System WGS84 coordinate system.
Each satellite's signal is identified by the distinct C/A code pattern.
There are 3 major factors that affect the calculation of the position of the GPS receiver: The current time, the position of the satellite and the measured delay of the received signal.
GPS tracking systems
Gps tracking systems help in the location of vehicles, persons, fleet and record the position of the object at regular intervals so a log of movements can be created. The data itself is kept either inside the unit, or sent to a remote computer by radio or cellular modem.
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