Hamedan Province (استان همدان) covers an area of 19,546 km² and lies in an elevated…
GPS Glossary
GPS – Global Positioning System, a satellite based navigational aid available to the public
GPS receiver – a device that can lock on to signals from navigational satellites and use them to provide location, altitude and velocity to the user
Navigation device – Satellite Navigation device, a type of GPS receiver used for routing and mapping
Touch screen – the LCD display on Navigation device devices that responds to fingertip pressure to change settings
GPS time – the standardized time to which GPS satellites are synchronized, it is not tied to the rotation of the earth so there are no “leap seconds” in GPS time
GPS constellation – the group of approximately 30 GPS satellites orbiting the earth that broadcast microwave signal to be received by GPS receivers
Geocaching – an outdoor game for the digital age in which someone “hides” the treasure or “geocache” and the gamers, “geocachers” use their GPS receiver to try to find it
POIs – Points of interest, restaurants, gas stations, emergency assistance, hotels and more, often embedded in the Navigation device mapping software