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

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 wrote: > Hello fellow time nuts, > > after the

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

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