Article about geosynch satellite monitoring

From: George Roberts (gr@gr5.org)
Date: Thu Aug 14 2008 - 14:51:45 UTC

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    There has been discussion I believe on this list in the past about the Space 
    Fence:
    http://en.wikipedia.org/wiki/Space_Fence
    
    which is the source for the data for most of our LEO satellite TLEs but I always 
    wondered about geosynch satellites because they don't pass the space fence.  I 
    figured it was done optically.  Well I was reading an article about a local 
    radio telescope and found the answer.  This article was of interest to me 
    because my local astronomy club meets on the same land that these antennas are 
    on for observing.  Also I've gotten a tour of these radio telescopes before:
    
    http://www.spacemart.com/reports/MIT_Lincoln_Lab_Upgrades_Sputnik_Era_Antenna_999.html
    
    - George Roberts
    http://gr5.org 
    
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