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Move unversioned release notice texts into NEWS file
Merged from the wsjtx-1.5 branch. git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@5329 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
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Bill Somerville
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NEWS
249
NEWS
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\$$ \$$ \$$$$$$ \$$$$$$ \$$ \$$ \$$
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Copyright 2001 - 2015 by Joe Taylor, K1JT.
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WSJT-X v1.5.0 Release Notice
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============================
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Decoder Performance Improvements
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--------------------------------
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The most notable change in v1.5.0 is improved speed and quality of the
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JT9 and JT65 decoders. Algorithms have been fine-tuned, and advantage
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is taken of the multiple CPUs found on most modern computers. Overall
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speedup factors of three or more have been attained since the v1.4.0
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release and more signals are being successfully decoded as well.
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For those interested, here's a summary of speed tests of three
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benchmark versions of WSJT-X, based on reading and decoding an
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identical set of 10,682 *.wav files. The files were recorded on
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various bands from 160 m to 10 m; the number of decodable JT65 signals
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is typically about 5 times the number of JT9 signals. For each test
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the program was set to "JT9+JT65" mode with "Deepest" selected on the
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*Decode* menu. Other setup parameters were identical in all cases.
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The test computer runs Windows 7 and has an Intel i5-2500 processor
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with 4 CPUs.
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Columns labeled "JT9" and "JT65" in the following table give the
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number of decoded signals in each mode. Numbers in the "Time" column
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are total processing time in seconds, and columns labaled "Factor"
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give ratios of the corresponding numbers, relative to WSJT-X v1.3.
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Program Version JT9 Factor JT65 Factor Time Factor
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-------------------------------------------------------
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v1.3 r3673 7691 1.000 40831 1.000 14061 1.00
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v1.4.0 7693 1.000 41796 1.024 13320 1.06
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v1.5.0-rc1 8024 1.043 43946 1.076 4224 3.32
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On the benchmark computer the decoder in v1.5.0-rc1 is more than 3
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times faster than the ones in program releases v1.3 r3673 and v1.4.0.
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At the same time, the number of decoded signals has increased by as
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much as 7.6%.
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Users will notice another consequence of taking advantage of multiple
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CPUs. JT65 and JT9 decodes in dual "JT9+JT65" mode are now done in
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parallel, so decodes are delivered to the Rx activity window as they
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are decoded rather than finishing the current mode before starting the
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other mode. Decoding at the QSO frequency is still given priority,
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but it may not be the first decode displayed because the first decodes
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of the other mode may be produced more quickly. Dual mode decodes are
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now interleaved in the Rx activity window.
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UDP Broadcast
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-------------
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WSJT-X v1.5.0 introduces a new facility that broadcasts status, decode
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and logged QSO information via the network. Although this facility
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gives no obvious change to the application other than a few new
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settings options, it should allow cooperating applications to interact
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with WSJT-X far more smoothly than the current file based mechanism
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which is prone to contention. The file access contention can be
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detrimental to both WSJT-X and the cooperating application whereas the
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new broadcast mechanism will not.
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Currently the only only cooperating application we know of is JTAlertX
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by Laurie VK3AMA and that currently uses the file based mechanism. We
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hope that Laurie will try the new mechanism but we will continue to
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provide the file based mechanism as well. We also know of at least one
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other application in development for the Apple Mac platform to provide
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similar features to JTAlertX. A contribution for Linux would also be
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most welcome.
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Rig Control
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-----------
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This continues to be an area of development. There are still many
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untested combinations of equipment since we have to wait until a user
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tries WSJT-X for the first time with each combination before we can be
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sure that any defects have been removed. Hundreds of hours of testing
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have been done and we thank those who have reported issues and offered
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their time to test fixes where necessary.
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FlexRadio & HPSDR Users
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-----------------------
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Currently the Hamlib library that we use for direct CAT control of
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your rigs does not provide a fully functioning driver for these
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radios. Instead the TS-2000 emulation mode of these SDRs must be used
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as the Hamlib driver for this has tweaks added to cooperate correctly
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with SDRs. Version v1.4 of WSJT-X did not work with these radios in
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TS-2000 emulation mode and at the time we were not informed of that,
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it appears to have become common knowledge that using the TS-480
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emulation mode was the correct procedure, this is incorrect although
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it did work at the time. The TS-480 emulation may cease to work in a
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future version because it is due to a defect in Hamlib that it works
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at all. The TS-2000 emulation mode is the correct selection and should
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be used with these radios.
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Generated Messages for Type 1 and Type 2 Compound Callsigns
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-----------------------------------------------------------
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This is a complex area because it requires special action by both
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parties in a QSO since the automatically generated standard messages
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are not always suitable. We have tried to improve the standard message
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generation and recognition along with better recognition of own call
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messages. As before it is imperative that operators take note of their
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QSO partners responses and be prepared to manually edit replies when
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communicating with compound callsign stations.
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WSJT-X v1.4.0 Release Notice
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============================
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Migration of User Files
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-----------------------
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This release includes a new install mechanism that separates user
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files from installation and program files. This means that going
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forward upgrades will be seamless with user files preserved and
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automatically carried forward without user intervention. For this
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release only it is necessary to move your user files manually if you
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wish to preserve them. The locations of user files have changed and
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now vary depending on the installation platform. The following notes
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are intended to guide you in moving your user files, this is a one
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time action.
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On Microsoft Windows:
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The new location for user files is %LOCALAPPDATA% which is an
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environment variable defined automatically by Windows, you may use the
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environment variable any place where a file path would normally be
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used e.g. in the location entry bar in Windows File Explorer or in
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arguments to command line programs from a Command Prompt window.
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On Linux and other Unix systems:
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The new location for user files ~/.local/share
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On Mac:
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The new location for user files is ~/Library/Application\ Support
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In all cases the files are stored in a subdirectory which by default
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is WSJT-X
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In the case of users who run multiple instances of WSJT-X on a single
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computer there are different user file locations for each
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instance. The non-default locations are in sibling subdirectories each
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suffixed by the rig name argument passed to WSJT-X at startup (See
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Running Multiple Instances below).
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The user files that you may wish to migrate from older versions of
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WSJT-X are:
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ALL.TXT
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CALL3.TXT
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wsjtx.log
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wsjtx_log.adi
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The format of each of these files is unchanged in WSJT-X v1.4 so all
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that is needed is to copy them to the new location.
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For example on Microsoft Windows assuming a WSJT-X v1.3 installation
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in C:\WSJT\wsjtx-1.3, using a command prompt window:
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copy C:\WSJT\wsjtx-1.3\ALL.TXT %LOCALAPPDATA%\WSJT-X\
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copy C:\WSJT\wsjtx-1.3\CALL3.TXT %LOCALAPPDATA%\WSJT-X\
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copy C:\WSJT\wsjtx-1.3\wsjtx.log %LOCALAPPDATA%\WSJT-X\
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copy C:\WSJT\wsjtx-1.3\wsjtx_log.adi %LOCALAPPDATA%\WSJT-X\
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On Linux:
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cp ~/wsjtx-1.3/ALL.TXT ~/.local/share/WSJT-X/
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cp ~/wsjtx-1.3/CALL3.TXT ~/.local/share/WSJT-X/
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cp ~/wsjtx-1.3/wsjtx.log ~/.local/share/WSJT-X/
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cp ~/wsjtx-1.3/wsjtx_log.adi ~/.local/share/WSJT-X/
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On Mac:
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cp ~/wsjtx-1.3/ALL.TXT ~/Library/Application\ Support/WSJT-X/
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cp ~/wsjtx-1.3/CALL3.TXT ~/Library/Application\ Support/WSJT-X/
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cp ~/wsjtx-1.3/wsjtx.log ~/Library/Application\ Support/WSJT-X/
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cp ~/wsjtx-1.3/wsjtx_log.adi ~/Library/Application\ Support/WSJT-X/
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If you have a customized cty.dat file installed, then that too should
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be copied to the new directory.
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Settings
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--------
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WSJT-X v1.4 introduces a new settings regime. There is no facility to
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migrate settings from prior versions and copying the wsjtx.ini
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settings file to the new user files location will not carry over any
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useful information. The new settings dialog is very different from
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prior versions but it is intuitive and will not take long to configure
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for you equipment and preferences.
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Running Multiple Instances
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--------------------------
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For users with multiple radios or multi-receiver SDRs WSJT-X offers
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multiple instance support. Prior to WSJT-X v1.4 this involved
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installing the application multiple times in separate locations, this
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is no longer necessary and multiple instances MUST be run from a
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single installation. This is possible as user and other writable data
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files are stored in a unique location for each instance.
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WSJT-X has a new command line option that coordinates multiple
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instances called --rig-name (-r for short) which allow you to specify
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a unique key for each instance. If no --rig-name option is supplied a
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default location is used for writable files as specified in the
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Migrating of User Files section above. If a key is provided then the
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same key must be used every time that instance is started so as to
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associate it with the correct data files.
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If the unique key were ft-857 then you must start WSJT-X using that
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key e.g.
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wsjtx --rig-name=ft-857
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and the data files will be stored in a directory "WSJT-X - ft-857" for
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example on Windows:
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"%LOCALAPPDATA%\WSJT-X - ft-857\"
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Multiple instance support may also be used if more than one operator
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uses the same computer with their own call signs, or a single operator
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who operates in multiple locations with different call signs or
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wishing to maintain separate log files for each location.
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Known Issues
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------------
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Editing station details in the frequencies tab of the settings window
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may not save the changes to the settings file. Updates will show in
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the settings tables until application exit but may not be used by the
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application. A workaround is available, delete the whole row and
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re-enter the details rather than editing individual fields. This
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defect is resolved in the next release (v1.5).
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WSJT-X ChangeLog
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------------------------------------------------------------------
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