7820's steering is driving me nutts.  Says on Startup it wants a newer version than 5.10 on Nav11. Been saying that for 2 years. May have to find the thumbstick I have somewhere to update that.

Been funky , but tonite it worked fair going north west most of the time, but South East it would not stay on line 30-50% of time, Just slowly wander off.  Tried SBAS, atomuios(sp) & RTK, but it would not allow RTK because it said no signal. Base is 3 miles flat ground away.  Changed the Cable from the AG25 to screen already.   Had problems last spring planting  tried  3 differant screens before it went to working 1/2 right.

So where do I start looking, swapping stuff?.