[Elecraft] [K3] Roofing filters are misunderstood

[Charlie T, K3ICH]

Good point.  A true roofing filter would be in the antenna line.

Repeaters have "roofing" filters, typically in the form of an extremely high 
Q resonant cavity.

Chas
----- Original Message ----- 
From: "David Cole" <dave at nk7z.net>
To: <elecraft at mailman.qth.net>
Sent: Monday, May 12, 2014 8:43 AM
Subject: Re: [Elecraft] [K3] Roofing filters are misunderstood


> On Sun, 2014-05-11 at 22:06 -0700, Bill Turner wrote:
>
> "I have always thought that "roofing" was a marketing ploy to imbue it
> with some kind of magical powers."
>
> Bill,
> "These aren't the filters you are looking for...  Move along..."
>
> Sorry, I just had too inject that at this point in the discussion!  It
> just seemed too funny not to...
>
> To get back on topic,
>
> As soon as someone here said they are 1st IF filters, all questions
> about them were answered...  THANK YOU whoever said that.
>
>