Interesting question...
I used a pair of 400Hz in a Kenwood TS 850s and I thought this was
absolutely the best.
Then I acquired a Yaesu FT1Kmp and I started to use the pair of 250Hz
filters.
Those 250's are really really sharp... make tuning a breeze... provided you
have a very very slow tuning rate and generally have improved my rtty scores
and overall experience.
So... I'd bet you'll want the 350Hz - I suspect you won't like the 500Hz
which will be a bit wide.
Regards
Dean - 8P6SH / 8P2K in the 'tests
-----Original Message-----
From: rtty-bounces@contesting.com [mailto:rtty-bounces@contesting.com] On
Behalf Of Jim Reisert AD1C
Sent: October 6, 2006 11:14 AM
To: rtty@contesting.com
Cc: Ed Steeble
Subject: Re: [RTTY] Which Filter?
--- Ed Steeble <esteeble@sc.rr.com> wrote:
> I have an ICOM-746 (not the Pro). Which filter should I get for RTTY and
> RTTY contesting, the 500kc FL-100 or the IC-232 350kc? I am concerned that
> the 350kc filter may be too sharp.
In the 756 Pro, the RTTY filter is 350 Hz wide. In my 756 "classic" I
purchased a pair of 400 Hz filters from INRAD and was VERY happy with them.
I'm not a big fan of narrow (i.e. 250 Hz) filters. I like to know where the
QRM is.
73 - Jim AD1C
--
Jim Reisert AD1C, 7 Charlemont Court, North Chelmsford, MA 01863
USA +978-251-9933, <jjreisert@alum.mit.edu>, http://www.ad1c.us
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