vues
2:51
Sunrise and Sunset Calculator / Solar compass
1:49
Improvised Equatorial Sun Compass
4:25
Sun Altimeter/Barometer Tutorial
1:38
How to Use Your Android Phone as Compass | How to use Digital Compass App
0:49
Solar and Lunar Compass: Reliable Navigation Without Magnetic Interference
3:11
Astro Time Compass "No magnetic sensor needed"
4:16
Easy calculation of Magnetic & Gyro compas ERROR, deviation.
2:49
How to Find the Sun's Position with Google Earth Pro For Free
