On Thursday, May 25, 2017 at 8:46:35 AM UTC-5, Tony wrote:
It's the file from the IGCDroid logger on my phone. Don't know why but it never shows correct altitude. Low points were more in the 1500-2000 agl area. See trace on glideport.aero.

When I get home I'll upload the igc file off the nano.

Good OLC trace: http://www.onlinecontest.org/olc-2.0...l?dsId=5751285

Bob & Jerry's flight in the Twin Astir: http://www.onlinecontest.org/olc-2.0...l?dsId=5744456