[GreenKeys] strange behavior FLDIGI

ad7i ad7i at ad7i.net
Fri Feb 7 11:29:10 EST 2025


 When your individual files are concatenated, is the composite signal
phase-continuous?

Paul, ad7i


On Fri, Feb 7, 2025 at 11:26 AM John, W9DDD <w9ddd at tapr.org> wrote:

> Are these individual files inserted within a stream of mark frequency?
> Perhaps FLDIGI needs slight wake up time?  Query from someone who knows
> nothing about FLDIGI. (but should learn)
>
>
> On 2/7/2025 10:18 AM, steve bennett via GreenKeys wrote:
> > GKs,
> >
> >   Can anyone explain this?
> > I have single character 50 baud wav files I generated for testing
> > purposes.
> > A.WAV B.WAV C.WAV......etc
> > I created the entire 5 bit character set as individual WAV files.
> >
> > My model 15 using a Flesher TU170 will print these characters just fine.
> > However for some strange reason FLDIGI does not like single characters.
> >
> > If I concatenate a string of these characters into a single audio file
> > FLDIGI will print them.
> > sox ?.wav all_char.wav
> >
> > FLDIGI will print all_chars.wav but will not print the same AFSK if
> > sent one character at a time.
> >
> > -Steve AD8CI
> >
> >
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> --
> ---
> ----
> The above comments or recommendations are SWAG. Use at your own risk.
>
> John, W9DDD
>
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> >>> Jordan Spencer Cunningham's GreenKeys Search Tool:
> https://teletype.net/gksearch
> >>> 2002-to-present greenkeys archive:
> http://mailman.qth.net/pipermail/greenkeys/
> >>> 1998-to-2001 greenkeys archive:
> http://mailman.qth.net/archive/greenkeys/greenkeys.html
> >>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:
> http://comcents.com/tty/greenkeyssearch.html
>
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