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[RTTY] Bandwidth of a RTTY signal (was:SO2R RTTY Radio)

To: <rtty@contesting.com>
Subject: [RTTY] Bandwidth of a RTTY signal (was:SO2R RTTY Radio)
From: vk4cej@hamsnet.net (John)
Date: Wed, 29 Aug 2001 08:32:12 +1000
I don't profess to know it all either, but I always thought that a 250 HZ
filter would be more than adequate because the rtty signals were only 170 Hz
shift   :-)  :-)  :-)


John - vk4cej


> Jay, Ekki, and all,
> I suspect you are both correct but I would also like to consult with the
> signal processing experts on the math.  Ekki, can you steer me to some
math
> sources on your BW calculations?
>
> I am also using the IC 756PRO as Ekki is and have to make sure my
narrowest
> settings in crowded conditions are a little wider.  I settled on 300 Hz as
I
> found 250 Hz too narrow.  This was just by experimenting.
>

(some deleted to keep it shorter)


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