From: [EMAIL PROTECTED] Subject: Re: [time-nuts] Time Nuts at PTTI this past week Date: Sat, 9 Dec 2006 20:08:04 +0100 (CET) Message-ID: <[EMAIL PROTECTED]>
> On Sat, December 9, 2006 17:52, Magnus Danielson said: > > Remember that while you are 1340 meters up, the mountains gravity pull > > creates a local compensation to a small degree, so you will not fully > > experience the full altitude difference. > > Would that mountaing gravity pulling be accounted for when measuring geoid > height? ie compensate your GPS ellilsoid height with the geoid separation > to get "true" mean sea level heigth. What beats calculation is actual measurements. There are field devices capable of 6-7 digit resolution. That should suffice. Would not be too hard to bring in the back of the truck alongside a tripplet of 5071s. Cheers, Magnus _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
