[time-nuts] Thunderbolt self-survey results...

David Ackrill dave.g0dja at tiscali.co.uk
Sat Aug 30 06:48:16 EDT 2008


There's a discussion of the different height measurements and the errors 
found when using 4 Garmin GPS receivers at 
http://users.erols.com/dlwilson/gpsvert.htm



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