What is the first thing rain hits when coming down from the sky ?
What is the first thing a signal hits after the first mixer coming down from
the sky ?
What is a leaky roofing filter ?
It's what is in the K-3 <G> since it lets the signal from SOMEBODY through
to your ears!
Walt K8CV Royal Oak, MI.
----- Original Message -----
From: "Fred (FL)" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Thursday, May 03, 2007 12:55 PM
Subject: [Elecraft] 8 pole vs 5 pole..I knew this would happen
I think, still, someone needs to define what a ROOFING
FILTER is. Say for sake of argument - I have a
passive or active or crystal filter - and it is to
be used as a ROOFING FILTER. Why is it called this?
Why is the filter itself, called a ROOFING FILTER?
And where does the adjective, ROOFING, come into
play?
...... I'm sure I'm dumb on this one - but would
like to learn. Not until the K3 came on the
Elecraft scene - did anyone mention or get
concerned about the need for ROOFING FILTERS.
Now they're all the rage?
Fred, N3CSY
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