TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

NAVDATA [1 record]

Record 1 1994-05-31

English

Subject field(s)
  • Mathematical Geography
  • Remote Sensing
DEF

The 1500 bit Navigation Message broadcast by each satellite at 50 bps (bits per second) on both L1 or L2 beacons.

OBS

This message contains system time, clock correction parameters, ionospheric delay model parameters, and the space vehicle's ephemeris and health. This information is used to process GPS signals to obtain user position and velocity.

OBS

Term and definition provided by the Canadian Hydrographic Service.

French

Domaine(s)
  • Géographie mathématique
  • Télédétection
DEF

Le message de navigation de 1500 bits diffusé par chaque satellite à 50 B/S (bits/seconde) sur chacune des porteuses L1 et L2.

OBS

Ce message indique l'heure du système, les paramètres de correction de l'horloge, les paramètres de correction de l'horloge, les paramètres du modèle du retard ionosphérique et les éphémérides ainsi que l'état du véhicule spatial. Cette information sert à traiter les signaux GPS pour l'obtention de la position et de la vitesse de l'utilisateur.

Spanish

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