roaming | twinrow11 - 12/23/2017 10:41
Why does Ag Leader SMS show my 180 degree passes as being 178.7 degrees?
Are you 100% certain that your passes are EXACTLY 180 degrees (due south) in real life? 178.7 is only 1.3 degrees shy of 180. What GPS receiver are you using? I assume your passes are aligned to some larger provincial grid of some sort - were those grids laid out using GPS or surveyed using magnetic north?. |
SMS display of mapping
