TERMIUM Plus®

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Navigation Satellite Timing and Ranging Global Positioning System [1 record]

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Alphabetical list of terms

Record 1 2016-07-19

English

Subject field(s)
  • System Names
  • Remote Sensing
OBS

The System uses a constellation of satellites placed in orbit at an altitude of 20,178 km. They complete their circular orbits in half a sidereal day, that is 11 hr 57 min. These satellites emit two sets of signals on 1,227MHz [megahertz] and 1,575 MHz in the L-band. These signals carry the transmitting satellites' identification and position, as well as the time and other information. The airborne equipment is entirely passive. It consists of a receiver whose position is determined by measuring its distance from four of the system's satellites.

French

Domaine(s)
  • Noms de systèmes
  • Télédétection

Spanish

Campo(s) temático(s)
  • Nombres de sistemas
  • Teledetección
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