TERMIUM Plus®

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

BACKWARD AZIMUTH [1 record]

Record 1 2021-01-19

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
DEF

A projection of the azimuth from the origin to the opposite side of the azimuth circle.

CONT

A back azimuth is calculated by adding 180° to the azimuth when the azimuth is less than 180°, or by subtracting 180° from the azimuth if it is more than 180°. For example, if an azimuth is 320°, the back azimuth would be 320° - 180° = 140°. If the azimuth is 30°, the back azimuth would be 180° + 30° = 210°.

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
CONT

Pour obtenir l'azimut inverse [...] d'une ligne, il faut lui ajouter ou lui retrancher 180° sans oublier de tenir compte de la convergence des méridiens.

Spanish

Campo(s) temático(s)
  • Guía radárica, radioguía y radiogoniometría
CONT

Azimut inverso: es lo inverso del azimut, es decir, si el azimut de una línea es menor de 180º, se debe sumar 180º para encontrar el azimut inverso. Si es mayor a 180º se le deben restar 180º.

OBS

marcación inversa: término aceptado oficialmente por la Organización de Aviación Civil Internacional (OACI).

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