[TowerTalk] Roofing Filter

[Bill Aycock <baycock@direcway.com>]

This is probably "Stupid question No.1", but- here it is. I have been 
trying to get a definition and/or description of a Roofing Filter. The ARRL 
handbook, because of its pitiful indexing system, is worse than useless. 
(They have two entries in the index, to the same page, where it is 
mentioned, vaguely.)
Topbanders seem to be more discriminating and savy in their understanding 
of such things. I don't intend to go into making/changing them, but I DO 
want to understand them better.
Thanks (for help, and for not laughing)
Bill

Bill Aycock - W4BSG
Woodville, Alabama 


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