FORE AND BACK BEARINGS

Find the back bearings of the following lines from the observed Fore Bearings:(a)  79° 24′(b)  354° 24′(c)  178 ° 4′(d)  204 ° 12′

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Find the back bearings of the following lines from the observed Fore Bearings:(a)  79° 24′(b)  354° 24′(c)  178 ° 4′(d)  204 ° 12′ solutions : (a) 79°24′ Fore bearing = 79° 24′ Back bearing = FB +180° ( as the FB is less than 180° ) = 79°24′ +180° = 259°24′ (b) 354°24′ Fore bearing= … Read more

FORE AND BACK BEARINGS

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FORE AND BACK BEARINGS In compass surveying, two bearings are observed for the each line, one from each end. Fore Bearing: The bearing of a line measured in the direction of the progress of survey is called Fore Bearing or Forward Bearing (FB) of a line AB Back Bearing: The bearing of a line measured … Read more