![](/profile/get-photo.asp?memberid=33354&type=profile&rnd=435) East Central Illinois / West Central Indiana | I would check to make sure your correction source is set to WAAS and not Autonomous. If it is already on WAAS we have experienced the 3 worst solar flares of the year over the last few days. I have had multiple customers lose WAAS correction and RTK (non-Glonass) correction because of the flares. I have also seen the cross track error jump all over the place while sitting in a stationary position. |