Fast, even on a Hal ST-6000. I think that most of these old agages were for
Teletype (r) machine operation which is somewhat different than modern uses of
RTTY.
There were/are all sorts of fine things like LTRS, and stuff that were
necessary and special EOL sequences that are less useful anymore.
---------- Original Message ----------------------------------
From: billknn@aol.com
Date: Thu, 20 Sep 2007 09:33:19 -0400
>
>
>My HAL ST-6000 manual?advises? "A slow AGC with fast attack and slow decay is
>very desirable when receiving FSK signals."
>
>I don't really use the HAL, but I use an IC-746 Pro, FSK, with MMTY. The
>selectable AGC time constants available on the 'Pro are:
>?off, 0.1, 0.2, 0.3, 0.5, 0.8, 1.2, 1.6, 2.0, 2.5, 3.0, 4.0, 5.0,?and 6.0. I
>realize that different conditions such as the presence of strong adjacent
>signals, QRN,?etc?can require different AGC settings, but I was wondering what
>some of the experienced hands recommend for a good starting point AGC for RTTY
>(FSK). Clearly, I use different settings for CW and SSB and sometimes use the
>old-timers technique of manually riding the Rf gain?control using those other
>modes. I use a delta loop antenna which usually provides a very good signal to
>noise ratio.
>
>I'd appreciate any advice and I promise not to use any advice?received as an
>unfair advantage in any contest.
>
>
>Bill, KD5XN
>
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