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Date: Wed, 28 Nov 2012 13:58:49 -0500
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Subject: Re: LF: WSJT-X v0.5 r2783
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Ditto.

Jay W1VD  WD2XNS  WE2XGR/2


----- Original Message ----- 
From: "Warren Ziegler" <wd2xgj@gmail.com>
To: <rsgb_lf_group@blacksheep.org>
Sent: Wednesday, November 28, 2012 1:54 PM
Subject: Re: LF: WSJT-X v0.5 r2783


> Joe,
>   Installing it in the root directory worked fine, many thanks!
> 73 Warren
> 
> 
> On Wed, Nov 28, 2012 at 1:50 PM, Joe Taylor <joe@princeton.edu> wrote:
>> Hi Warren,
>>
>> Install WSJT-X into its own directory (the suggested default is C:\WSJTX)
>> rather than the conventional C:\Program Files\WSJTX.
>>
>>         -- Joe, K1JT
>>
>>
>> On 11/28/2012 1:14 PM, Warren Ziegler wrote:
>>>
>>> Hello the list,
>>>
>>>      I have installed WSJT-X from Prof. Taylor's web site on my Win XP
>>> machine.
>>> When I click on the WSJT-X icon I get a pop-up "Error starting or
>>> running program C:\Program Files \wsjtx\jt9-s "
>>> and then the Windows error reporting box pops up.
>>>
>>>     Do I need something other than Windows XP Professional Service pack 3
>>> ?
>>>
>>>    73&  tnx!
>>>
>>> Warren K2ORS
>>>
>>>
>>>
>>> On Wed, Nov 28, 2012 at 12:13 PM, Joe Taylor<joe@princeton.edu>  wrote:
>>>>
>>>> To:   Users of WSJT-X
>>>> From: Joe Taylor, K1JT
>>>>
>>>> A new revision of the experimental program WSJT-X has been posted.  As
>>>> usual, a link to it appears on the WSJT web site:
>>>>
>>>> http://physics.princeton.edu/pulsar/K1JT/wsjt.html
>>>>
>>>> The following is a direct link to the installation file:
>>>>
>>>> http://physics.princeton.edu/pulsar/K1JT/WSJTX_05r2783.exe
>>>>
>>>> This revision has an unusually large number of changes relative to the
>>>> previous release, v0.4 r2746.  These changes include:
>>>>
>>>> 1. PTT control via COM ports COM10 and higher is enabled.
>>>>
>>>> 2. Improved decoder performance: higher speed as well as better chances
>>>> of
>>>> success.  Moderate amounts of frequency drift are detected and
>>>> compensated.
>>>> Computed S/N values are more reliable.  Time offsets from -2.5 to +5 s
>>>> are
>>>> now supported, which makes JT9 usable for EME.  (EME tests on 144 MHz
>>>> have
>>>> been successful, and performance on that propagation mode appears to be
>>>> good.)
>>>>
>>>> 3. Tx Frequency now tracks the selected QSO Frequency (unless you hold
>>>> down
>>>> the CTRL key when setting QSO Frequency via mouse-clicks or the F11/F12
>>>> keys).
>>>>
>>>> 4. Decoded text containing "CQ " is highlighted with green background;
>>>> text
>>>> including "MyCall" is highlighted in red.
>>>>
>>>> 5. In previous versions, signal reports were required to be in the range
>>>> -30
>>>> to -01 dB.  In v0.5 r2782 the range has been extended to -50 to +49 dB.
>>>> There is backward compatibility for the range -30 to -01, but reports in
>>>> the
>>>> range -50 to -31 and 0 to +49 will NOT be decoded correctly by previous
>>>> program versions.  It is important to upgrade!
>>>>
>>>> 6. Items "Save Synced" and "Save Decoded" are now implemented.
>>>>
>>>> 7. UTC Date, JT9 submode, and a parameter related to the decoding
>>>> procedure
>>>> are now included in file wsjtx_rx.log.
>>>>
>>>> 8. Editing of Tx messages (in any of the six Tx message boxes) is
>>>> complete
>>>> when you hit "Tab" or "Return".  The message is then parsed and converted
>>>> to
>>>> the form in which it will be displayed if decoding is successful.
>>>> Free-text
>>>> messages are trimmed to 13 characters and highlighted with a pink
>>>> background.
>>>>
>>>> 9. The most recent transmitted message is displayed in the right-most
>>>> label
>>>> on the status bar.  This can be useful if you have lost track of where
>>>> you
>>>> were in a QSO.
>>>>
>>>> 10. By default, the program now starts with Monitor ON.  An option on the
>>>> Setup menu allows you to select "Monitor OFF at startup".
>>>>
>>>> 11. Better scaling is provided for the red "JT9 Sync" curve.  Note that
>>>> JT9
>>>> signals in the active sub-mode should appear in this plot as a bump of
>>>> width
>>>> equal to the total signal bandwidth, with a narrow and slightly higher
>>>> bump
>>>> at the left edge.  The narrow bump is the frequency of the Sync tone,
>>>> which
>>>> is defined as the nominal frequency of the JT9 signal.
>>>>
>>>> 12. Basic QSO information is now written to file wsjt.log when you click
>>>> the
>>>> "Log QSO" button.
>>>>
>>>> 13. The WSJT-X User's Guide has been updated.
>>>>
>>>> 14. Other known bugs have been fixed.  There will probably be new ones!
>>>> When you find one, or if you know of any old ones that have NOT been
>>>> fixed,
>>>> please send me email.
>>>>
>>>> Summary of Present Status
>>>> ----------------------------------------------------------------------
>>>> I believe that WSJT-X is now a stable and very usable program.  Many
>>>> thousands of QSOs have been made with JT9-1, mostly at HF -- I have made
>>>> nearly 100, myself.  Also a number of QSOs have also been completed at
>>>> MF,
>>>> and successful tests have been made on 2m EME, etc.  A number of QSOs
>>>> have
>>>> also been made with JT9-2.
>>>>
>>>> As far as I know the slower modes (JT9-5, JT9-10, and JT9-30) also work
>>>> correctly.  (Certainly they do in my laboratory test setup.)  Most people
>>>> will find these modes too slow for "everyday" use, and they require high
>>>> frequency stability.  It remains to be seen whether they will be widely
>>>> used.
>>>>
>>>> An alternative approach to obtaining improved sensitivity would be to
>>>> give
>>>> the decoder an ability to average over several successive transmissions.
>>>> For example, the average of five JT9-1 transmissions could reach a
>>>> decoding
>>>> threshold around -32 dB, only 2 dB worse than a single JT9-5
>>>> transmission.
>>>> Because of QSB, the shorter transmissions may actually succeed in less
>>>> total
>>>> time.  Stability requirements would be those of JT9-1, much less
>>>> stringent
>>>> than those of JT9-5.
>>>>
>>>> Program development is not finished, by any means.  I will be grateful
>>>> for
>>>> your feedback on performance issues, as well as your "wish-list" of
>>>> features
>>>> to be added.  As always, example recordings of files that you think
>>>> should
>>>> have decoded, but did not, will be much appreciated.
>>>>
>>>> I hope to find time for more work on WSJT-X soon. Later this week,
>>>> however,
>>>> my radio time will be focused primarily on the ARRL International EME
>>>> Contest.
>>>>
>>>> With best wishes,
>>>>
>>>>          -- 73, Joe, K1JT
>>>>
>>>
>>>
>>>
>>
> 
> 
> 
> -- 
> 73 Warren K2ORS
>                WD2XGJ
>                WD2XSH/23
>                WE2XEB/2
>                WE2XGR/1
>