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What is Local Attraction in Compass Surveying about?

The document provides the observed bearings of lines in a compass traversing where local attraction was suspected. It then calculates: 1. The interior angles of the traverse and finds they sum to 540°, indicating the observed bearings are correct. 2. The corrected bearings of the lines by working back from the lines unaffected by attraction. 3. An alternative method of directly applying corrections to the observed bearings.

Author

Ankit Mali

Language

EN