Quote:
Originally Posted by Ukastronomer
It's GPS isn't it  |
Not really sure....I was just saying how I polar align with the help of my iphone.
I thought iphones used an electronic magnetometer. Some apps use the GPS location to calculate the declination/variation and point to true north.
Switching off the GPS on my iPhone, doesn’t affect the compass in any way. Still works as normal.
Hemi