Hello Joe,
Thanks for the improvements.
LF,
I'm monitoring in JT9-1 at 137.5 kHz +- 50 Hz now, during the night.
Does someone like to do a test transmission? I could interrupt my WSPR
transmissions and answer in JT9-1 if something is decoded.
73, Stefan/DK7FC
Am 14.11.2012 20:39, schrieb Joe Taylor:
To: Users of WSJT-X
From: Joe Taylor, K1JT
The installation file for WSJT-X version 0.4, revision 2731 has been
posted at
http://physics.princeton.edu/pulsar/K1JT/WSJTX_04r2731.exe
In this revision a number of known bugs have been fixed, and the JT9
decoder is significantly improved. Among other improvements, the
program is now much less fussy about timing issues.
My "To Do" list for WSJT-X is far from empty -- for example, many
user-convenience features are yet to be implemented. However, in its
present state WSJT-X performs well and will enable you to make QSOs at
signal levels down to those specified on the last page of the User's
Guide:
http://physics.princeton.edu/pulsar/K1JT/WSJT-X_Quick_Start_Guide.pdf
In some circumstances the present decoder will seem slow. Speed
enhancements are yet to come. In the meantime, you will find it best
to set "Tol" (the frequency tolerance parameter) to a value only a few
times the width of the desired JT9 signal.
I have now made many QSOs with JT9-1 on 160 m, often with inaudible
signals. I look forward to working you on that band soon! I also
hope to have good receiving systems soon for 137 and 472/500 kHz:
maybe we can work cross-band? A number of us have been coordinating
our activity on the K3UK Sked Page: go to
http://www.obriensweb.com/sked/ and then click on "digitalradio" at
the upper right.
As always, your feedback on WSJT-X will be greatly appreciated! I'll
do my best to fix reported bugs quickly. During this testing period,
please remember to run the program with "Save All" checked, and send
me examples of *.wav files on which the decoder behaves poorly.
-- 73, Joe, K1JT
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