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    Re: Mysterious celestial measurement
    From: Robert VanderPol II
    Date: 2016 Jul 1, 07:06 -0700

    Looks like a Yagi antennea.  He's making very precise measurements of where a radio source is relative to any potentially related optical sources in the sky.  Since this is prehistoric he obviously has to use the Yagi since they hadn't yet invented electronically steered receivers. :))

       
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