QST had an article on building a Storm Tracker in the late 50s or early 60s.

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Hank WD5JFR
wrote in message
news:c2Fnb2JvZw==.df7dc74f4bf770412c274c3f1a0d5a90 @1085498663.nulluser.com...
Boltek makes a very nice lightning detector system
http://www.boltek.com/stracker.htm displaying both bearing and distance
of lightning strikes. I understand how you can do this with a couple of
nice crossed loops but the antenna for this system is a little plastic
black box 3" high by 2" by 1-1/2" connected to the main unit with Cat
5. Does anyone know, or care to guess, what's in the box?