How do you (the people who use FSK) key the radio through the RTTY program? I
am using AFSK and have good experiences, but I wonder how keying is done
through
the software.
Lee - K0WA
In our day and age it seems that Common Sense is in short supply. If you
don't
have any Common Sense - get some Common Sense and use it. If you can't find
any
Common Sense, ask for help from somebody who has some Common Sense. Is Common
Sense divine?
Common Sense is the image of the Creator expressing revealed truth in my mind.
- John W. (Kansas)
Never interfere with anything that isn't bothering you.
From: Hank Garretson w...@arrl.net
To: Elecraft Reflector elecraft@mailman.qth.net; elecraft...@yahoogroups.com;
RTTY Reflector r...@contesting.com
Cc: Ben Grokett k...@sbcglobal.net
Sent: Mon, March 25, 2013 3:00:26 PM
Subject: [Elecraft] A Different View--K3 Reduced-bandwidth RTTY Analysis
Andy, K0SM has a very nice look at the K3 reduced-bandwidth FSK keying.
(Now available to all as Beta DSP rev. 2.8.)
http://www.frontiernet.net/~aflowers/k3beta/
It is also interesting to look at before and after FSK signals in the time
domain.
https://picasaweb.google.com/StarrGarretson/2013_03_25_K3_FSK
K3 FSK has always had a small amplitude difference between mark and space.
The transition has always been abrupt, Photo 1. With the new beta software,
the transition is much more gentle, Photo 2. Bravo!
Diddle Exuberantly,
Hank, W6SX
Mammoth Lakes, California
Elevation 8083 feet in John Muir's Range of Light
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