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Re: [CQ-Contest] SSB & CW On Same Band

To: cq-contest@contesting.com
Subject: Re: [CQ-Contest] SSB & CW On Same Band
From: Joe <nss@mwt.net>
Date: Sat, 18 Mar 2017 15:19:01 -0500
List-post: <cq-contest@contesting.com">mailto:cq-contest@contesting.com>
When it comes to this problem, have these new rigs really become this susceptible to this problem?

I mean Honestly, I remember fondly running my Drake TR-4 as the Novice station for our club 1976 Field Day. and we had My Drake, and the other stations ( class 5A ) were running all tube gear Heaths, collins etc. Not a single SS gear yet.

40 CW,
Me on 40 Novice CW 7.1 to 7.15
and 40 SSB

all three on at the same time and there was no problems at all.

Joe WB9SBD
Sig
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com
On 3/17/2017 8:54 PM, Tom Hellem wrote:
Has anyone successfully run 2 stations on same band, SSB &CW,
without interference between the two? For example, FD or IARU.

We have tried it several times and have always ended up with moderate
to severe interference to the point that one  station had to qsy to
another band.

Obviously (I think) the filters that are in common use like Dune Star, ICE,
NQN, etc. don't work because they are band pass filters. But has
anyone designed/built a filter with sharp enough roll-off to make this work?
Or, would a pair of K-3's , etc. fit the bill?

Would love to hear from people that have made this work for them, and how
they did it.


73

Tom
K0SN
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