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f54c6029d4
2. Fixed grid2deg to be case-insensitive for grid locator. 3. Bumped Revision number to 5.9.3. git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/trunk@116 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
104 lines
4.1 KiB
Plaintext
Executable File
104 lines
4.1 KiB
Plaintext
Executable File
Changes in WSJT 5.9.2: January 16, 2006
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Enhancements
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------------
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1. Thread priorities have been adjusted for smoother operation.
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2. The JT65 decoder has been giver improved immunity to garbage data
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(birdies, QRM, etc). It exhibits better performance on strong
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signals and provides more accurate estimates of their S/N.
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3. The FSK441 decoder produces less on-screen gibberish when
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processing mouse-picked decodes.
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4. The JT6M decoder now makes better use of Freeze and Tol. You can
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set the value of "Freeze DF" by using the Right/Left arrow keys.
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(This feature is also useful in JT65 mode.)
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5. On-screen font sizes can be set by using Windows Notepad to edit
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the file wsjtrc.win. If your screen has resolution greater than
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1024 x 768, or if you have old eyes like mine, you may want to
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increase the font sizes from 8 and 9 points (first three lines of
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the file) to, say, 9 and 10 points.
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6. A simulator mode is now built into WSJT for testing purposes. It
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is presently most useful in JT65 mode. By entering, say, "#-22"
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in the text box for Tx6, you signify that the program should
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generate its Tx audio files with the signal embedded in white
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gaussian noise, 22 dB below the noise power in a 2.5 kHz
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bandwidth. You can direct this signal into a second computer
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running WSJT, for example to test the decoder or to practice
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operating in JT65 mode. You can even have the two computers "work
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each other" in a simulated QSO, although changing messages of
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course requires operator action.
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7. Dividing lines are now provided on the waterfall display between
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spectra corresponding to wave files read from disk.
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8. The PTT line is explicitly set low on program startup.
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9. The F10 key brings up the SpecJT screen (if it was hidden) and
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toggles foreground and focus status between the WSJT and SpecJT
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screens.
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10. You can use the Alt-F and Alt-Z keyboard shortcut to toggle
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"Freeze" and "Zap" on and off.
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11. "Accelerated decoding" has been removed from the Setup menu. In
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effect, this option is now always ON.
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12. Text windows are now cleared when switching between modes.
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13. Linux and FreeBSD versions (see below) offer PTT control via
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parallel port, as well as serial port. They offer sound support
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via ALSA and OSS.
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Bug Fixes:
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----------
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1. The use of non-threadsafe code for FFTs could cause occasional and
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unpredictable program crashes. Fixed.
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2. A bug in the JT65 decoder could (rarely) cause large errors in the
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reported level of strong signals. Fixed.
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3. The program could be made to crash by trying to read a very short
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wave file. Fixed.
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For Curious Users, and Especially for Programmers
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-------------------------------------------------
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WSJT is no longer a one-person effort, and the program no longer runs
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only under Microsoft Windows. WSJT is now a full-fledged Open Source
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project, with an active working group making contributions to future
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development. Source code is now stored in a public repository under
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control of a version control system called "Subversion", or SVN. You
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can learn more at http://developer.berlios.de/projects/wsjt/.
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The first significant result of the group effort has been to create
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versions of WSJT that run under the Linux and FreeBSD operating
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systems. Porting WSJT to the Macintosh platform should be
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straightforward, as well, but has not yet been attempted.
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If you are interested in testing and using WSJT on your own Linux or
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FreeBSD system, we'd like to hear from you.
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If you feel that you can usefully contribute to the future development
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of WSJT on any platform, we would also like to hear from you! We
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could use help with documentation and website maintenance, as well as
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actual programming.
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The present WSJT working group consists of:
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Diane Bruce, VA3DB
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James Courtier-Dutton
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Bob McGwier, N4HY
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Jonathan Naylor, ON/G4KLX
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Stewart Nelson, KK7KA
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Joe Taylor, K1JT
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Kaj Wiik, OH6EH
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