[Elecraft] Settings for CW filter 400hz

Fred Smith mfsj at mo-net.com
Wed Dec 5 14:44:25 EST 2012


If anyone is using a very narrow filter for JT9 please tell us how it works
for you in that mode. I think more than a few of us are exploring this new
mode Joe has brought out.

Fred/N0AZZ

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of KD7YZ Bob
Sent: Wednesday, December 05, 2012 12:57 PM
To: K3 List
Subject: [Elecraft] Settings for CW filter 400hz

Howdy K3' people:

I need help setting the parameters if my 8-pole 400hz filter.

Recently a friend explained the advantage of using a narrow filter on the
mode JT9-1. He has a Flex5000. I have a K3.

So I tried today to get a waterfall display with the 400hz filter and
despite turning up soundcard and all, I could not.

Yesterday I was able to fiddle with Width/shift and CUT/Lo/Hi and actually
get s,ethg to get me down to 1khz. But I hadn't selected XFIL anything at
that moment.

I have 8-pole 2.8 , 4kHz , and FM filter .


I need some guidelines on how to select the cw filter while listening to the
JT9-1, very-narrow, signal then I can buy the 8-pole 250hz CW filter for
both the Sub-Rx and Main.

thanks



--
73
KD7YZ Bob

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