[CQ-Contest] CW Filter

[John Geiger]

Hi Joe,,

W4RT did make a filter board that allowed you to run both a narrow CW
filter and a narrow SSB filter on the 718.  If you had to choose only one,
I would go with the CW filter as it will make a much bigger difference than
the SSB narrow filter would.  I am not sure if W4RT still has the dual
filter board, but you might be able to find one used.

73 John AF5CC

On Sun, May 7, 2017 at 5:12 PM, Joe <nss at mwt.net> wrote:

> Hi All,
>
> Looking for thoughts, comments, suggestions, etc.
>
> Club has for Field Day a IC-718, That already has the 1.8 Khz SSB Narrow
> filter in it. It needed it badly. Especially during Field Day.
>
> Sadly it only has the one extra filter slot, so a narrow CW filter is not
> an option unless we toss out the 1.8 Khz SSB one. And Me more or less being
> the ONLY CW op,  well.....
>
> So I am looking for help with external filtering.
>
> Either software with a computer,  or via a stand alone external unit.
>
> What's out there? and what works well?
>
> I remember with my Drake TR-4 as a beginner in the 70's getting one of
> those terrible MFJ CW filters. Where the wide setting was like what 180 Hz?
> And down to like 50 Hz, as a beginner I thought WOW! awesome!
>
> Got it and the ringing was sooo bad, that this thing was like almost not
> use-able. I chocked the advertisement into the class of another purchase I
> made without knowing any better the awesome Gotham V160 Vertical! A chunk
> of AL tubing that the shipping cost more than the "Vertical" And the
> Vertical was just  AL Tube and a Big B&W Coil. so it would work on the
> lower bands, he he he.
>
> Anyway what's good out there now as far as CW filtering goes?
>
> Joe WB9SBD
> --
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