Posted by
waltk8cv4612amos-2 on
May 04, 2007; 3:38am
URL: http://elecraft.85.s1.nabble.com/8-pole-vs-5-pole-I-knew-this-would-happen-tp446796p446820.html
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)" <
[hidden email]>
To: <
[hidden email]>
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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