回視聴
0:37
Compass Pro: Maps, GPS , Weather
8:28
Coefficient D & Soft Iron Spheres
4:32
Choosing the right compass
4:33
Wilderness Navigation #9 - Adjusting Declination on your Compass
17:54
The Remote Indicating Compass (Slaved Gyro Compass)
30:12
Map and Compass (Simplified)
1:24
Magnetic digital compass sensitivity sphere
43:35
Truly Understanding A Compass
