All Questions
Tagged with navigation caving
3
questions
1
vote
0
answers
97
views
Increase Accuracy of Magnetic Compass
How to increase the accuracy magnetic compass? Is there a good way using multiple ones?
I searched the Internet and Philip Werner suggested at Section Hiker web:
use the most current declination data ...
- 119
17
votes
5
answers
7k
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Can I record my route electronically when underground?
Portions of a hike I did recently involved me going through tunnels that had some twists and turns. How would these work with an app like AllTrails or another GPS tracker?
As I understand it, assisted ...
- 839
31
votes
2
answers
11k
views
Will a compass work underground or underwater?
Because they rely on radio signals, GPS units generally do not work underground or underwater, but what about a plain ol' magnetic compass? Are the magnetic fields of earth present at all depths? ...
- 712