What's with this Missile Command board?

Okay saw this item on e-bay and I've never seen anything like it. Can
anyone tell me what it is?

http://users.1st.net/sigma/ebay/09.jpg This is a picture of board #9 on
sale in e-bay under this item:

http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=1120289060

So, what is that satellite board on the Missile Command board for? What
does it do?

Thanks,

Joe

joe.magiera@ameritech.com
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Received on Fri Mar 09 12:48:56 2001