Nick Thomas wrote:
Use your powers for good. Al and Ramy, anybody, could
you use your fancy software to look at my traces? You
will see me bust 18 once in while but that is because
I use a Garmin consumer product. I never go above 17,500
'cause I know the thing is a piece of $%^@ but it still
happens once in while. Vent open, cold temps, who knows.

The Garmin only logs GPS altitude. Take a look at most OLC flights and
there are two altitude lines. One is GPS and the other is pressure.
The GPS (black) one is almost always several hundred feet higher.

As has been mentioned in other threads:
If your trace shows anomalies, then all you need to do is explain
yourself in the comments if indeed you were not in volation of FAR.

-Tom

Who watched the sun sinking through the haze on the horizon then
spiralled down to land a couple minutes before sunset ths Saturday.