What is GM angle?

Related questions

1. How do you calculate Azimuth surveying?
2. What is the difference between azimuth and zenith?
3. How do you calculate GM angle?
4. What is a grid azimuth?
5. How do you find the altitude and azimuth?
6. What is an azimuth angle?
7. What is the purpose of a back azimuth?
8. How do you measure azimuth with a protractor?
9. How do you set azimuth and elevation?
10. What is the azimuth of the North Star?

Tags

1. #tells
2. #angle
3. #therefore
4. #azimuth
5. #magnetic
6. #convert
7. #degrees