Posted 9/4/2008 10:02 (#451367 - in reply to #450481) Subject: Re: Sun spots and GPS
Central To Everything and Close to Nothing
Art, if there is such low sunspot activity right now, do you know what was the cause of the increased position drift this spring in Western Canada with WAAS and JD SF1? This spring was by far the most drift I have seen in the past six years with PDOP values at 2.5+ when the drift was occuring.
Sun spots and GPS
