[time-nuts] BYMLBI (Back Yard Medium LBI)
jimlux at earthlink.net
Sat Mar 19 04:25:45 UTC 2011
On 3/18/11 9:20 PM, lists at lazygranch.com wrote:
> Episode 211 was a good primer on celestial navigation. It covers time piece construction.
> Building your own backyard continental drift hardware would be high on the coolness scale.
good gps measurements processed through GIPSY at JPL would probably do
that quite nicely. Where I live, about 2 cm/year motion generally
northwards on pacific plate. And about 1 cm/year vertical motion
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