The heading line was not drawn accurately on my map, would be visibly off by up to 15-20deg when mower is clearly travelling in a straight line that is not directly N/S/E/W.
Changing it to calculate the endpoint on the 2d mower map coordinates then transposing to lat/lon is working much better.
The heading line was not drawn accurately on my map, would be visibly off by up to 15-20deg when mower is clearly travelling in a straight line that is not directly N/S/E/W. Changing it to calculate the endpoint on the 2d mower map coordinates then transposing to lat/lon is working much better.