TERMIUM Plus®

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UNIVERSAL NAVIGATION SYSTEM [3 records]

Record 1 2012-01-04

English

Subject field(s)
  • Metrology and Units of Measure
  • Chronology
  • Mathematical Geography
DEF

Greenwich time calculated from midnight at the Greenwich meridian (rather than from noon).

OBS

In 1925 the numbering system for GMT was changed so that the day began at midnight, as did the civil day. Some confusion in terminology resulted, though, and in 1928 the International Astronomical Union changed the designation of the standard time of the zero meridian to Universal Time which remains in general use. The term GMT is still used for some purposes(navigation) in English-speaking countries.

French

Domaine(s)
  • Unités de mesure et métrologie
  • Chronologie
  • Géographie mathématique
DEF

Temps solaire moyen de Greenwich augmenté de douze heures, c'est-à-dire, dont le changement de quantième est à minuit plutôt qu'à midi.

OBS

Dans l'échelle de temps universel les jours sont comptés de 0 à 24 h avec changement de quantième à minuit. L'emploi [du terme temps moyen de Greenwich et] du sigle GMT ou de son équivalent français TMG est donc à proscrire.

OBS

temps universel (T.U.) : terme et abréviation en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 1

Record 2 1989-03-13

English

Subject field(s)
  • Flight Instruments and Equipment (Aeroindustry)
  • CBRNE Weapons

French

Domaine(s)
  • Instruments et équipement de bord (Constructions aéronautiques)
  • Armes CBRNE
OBS

(...) il s'agit d'un calculateur de navigation dit UNS-1 (Universal Navigation System) dont le principe est d'intégrer en un ensemble unique calculateur/boîtier de contrôle toutes les fonctions de traitement des informations de navigation et de gestion du vol.

Spanish

Save record 2

Record 3 1987-11-10

English

Subject field(s)
  • Flight Instruments and Equipment (Aeroindustry)
CONT

With inputs from the new Global or Universal navigators, the system [advanced multifunction display] can display area airports and navigation aids, as well as waypoints with alphanumeric identifiers.

French

Domaine(s)
  • Instruments et équipement de bord (Constructions aéronautiques)

Spanish

Save record 3

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