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    Re: Shortwave radio and the evolution of celestial navigation
    From: Gary LaPook
    Date: 2018 Jun 12, 22:22 -0700

    On July 1, 1937 Fred Noonan listened in the radio shack on the Lae airport for the time signal on short wave radio then transmitted from Saigon. He determined that his chronometer was two seconds in error.  The left for Howland island the next day.

    gl

       
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