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    Re: Timing Lunars with a Rock
    From: Nels Tomlinson
    Date: 2005 Jul 17, 22:28 -0400

    Jared, I'm sure the native would be willing to count beats in return
    for your GPS receiver.  At last, I think we've found a use for GPS in
    traditional navigation.
    
    Nels
    
    On 7/17/05, Jared Sherman  wrote:
    > Frank, iirc  if the length of
    > the pendulum is some precise length (vaguely16 inches?) the period *will* be
    > one second. So if you can find out the correct pendulum length and carry
    > that bit of strong with your sextant......
    >
    > Obtaining a willing "native" may be a bit harder these days.
    >
    
    
    

       
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