TERMIUM Plus®

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

DROITE POSITION [2 records]

Record 1 2017-07-22

English

Subject field(s)
  • River and Sea Navigation
DEF

A plotted line that the vessel is located on at a specific time, based on the bearing of a charted object of known location.

CONT

sun-run-sun: So we now know how to get a single position line from a single sun sight. But we need at least two position lines to get an actual position fix, or position estimate. But there is only one sun, so we have to wait for the sun to move to take another sun sight and get another position line.

French

Domaine(s)
  • Navigation fluviale et maritime
DEF

Ligne tracée sur la carte et sur laquelle le navire se trouve à un moment précis qui est établie en fonction du relèvement d'un amer.

Spanish

Campo(s) temático(s)
  • Navegación fluvial y marítima
CONT

[...] la recta de altura es un segmento de un círculo menor llamado círculo de igual altura. Cualquier observador situado en cualquier punto de este círculo observará el astro con la misma altura.

CONT

El cálculo de rectas de altura sigue teniendo vigencia para determinar la posición en el mar, como sistema de reserva y para verificar al GPS [sistema mundial de determinación de la posición].

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Record 2 2017-07-21

English

Subject field(s)
  • River and Sea Navigation
DEF

A line of position determined by means of a celestial body.

OBS

celestial line of position; celestial position line; astronomical line of position; astronomical position line: Not to be confused with "Sumner line," which is a type of celestial line of position.

French

Domaine(s)
  • Navigation fluviale et maritime
DEF

Ligne tracée sur la carte et sur laquelle le navire se trouve à un moment précis qui est établie en fonction du relèvement d'un amer.

Spanish

Campo(s) temático(s)
  • Navegación fluvial y marítima
OBS

línea de posición astronómica: No confundir con "línea de Sumner", que representa un concepto específico.

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