[time-nuts] Thunderbolt - Lady Heather altitude does report abt 240m too high

[Dana Whitlow]

Remember that GPS normally displays altitude with respect to the WGS84 datum
geoid, not with respect to MSL.  There can easily be a hundred feet or so of
difference.

Dana


On Wed, Oct 25, 2017 at 9:18 PM, Arnold Tibus <arnold.tibus at gmx.de> wrote:

> Hello fellow time nuts,
>
> after the thunderbolt roll over problem I run the survey control in Lady
> Heather (48h).
> Since then I am getting always a wrong elevation number for my qth.
> Does anybody know the reason for that behavior?
> Is there a solution to get again the correct value?
>
> Kind regards
>
> Arnold, DK2WT
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/m
> ailman/listinfo/time-nuts
> and follow the instructions there.
>