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DXsoft — Products / CwGet / Version history

CwGet versions history


The decoder algorithm (especially the automatic detector threshold evaluation) is slightly improved.

Minor fixes and improvements are made.


Minor fixes were made.


Input and output soundcard numbers can be above ten now.


Minor bug with message channel handling was fixed.


Documentation was updated.

Minor improvement in multi-channel decoder were made.


Options Setup > Interface > Message channel and Setup > Interface > Exchange DLL channel were made. Them are useful in SO2R mode when several copies of CwGet are running.

The Multi-channel decoder window was completely rewritten.
Received by this decoder symbols are displayed directly at a horizontal “waterfall”.
A mouse click at this waterfall changes a frequency of the main decoder.

Some minor bugs were fixed.


The “Setup > Interface > Output soundcard channel” option (Mono/Left/Right) can be used to select output channel of soundcard.


The “Ctrl-U” hotkey switches “Tuning Rig by” state between “NONE” and last selected tuning method (“Main VFO” or “RIT”).

The “Setup > Interface > Input soundcard channel” option (Mono/Left/Right) can be used to select one of two sound sources connected to a single soundcard.

The command line argument “/c Filename” can be used to open capture file at the program startup.


The “Setup > Text > Swedish charset” option was added.


When the “Sp.lock” buttons is pressed, minimal and maximal speed (in LPM) are defined by regulators at left side of this button. Click to this button with “Ctrl” key pressed moves center value of speed limit to a current speed.

The “Setup > Multi-decoder > Use speed limits from main decoder” option defines if these speed limits are used in multi-decoder window also.

The “Setup > View > Always on top” option is used in place of “OnTop” button now.


AALog 3.0 support was made.

An option Use mouse wheel for tuning was made.


Most settings are being selected in the separate window now, which is opened by the “Setup” menu.

Ctrl-F hotkey switches Sound Output state between Sound Without Filtering and last selected filter.

Multichannel-decoder font and background is defined separately from main RX Window settings.

Auto-threshold process in the main and multi-channel decoder works better now.

The Setup > Multi-decoder > Use manual auto-threshold limit from main decoder option enables using of user-defined limit in the multi-channel decoder.


Options Setup > Put Time Marks to a Capture File and Setup > Use UTC Time were made.


The “Setup > Multi-Channel Decoder” command opens additional Multi-RX Window. CwGet decodes up to five strongest signals in about 1600 Hz bandwidth and shows them in this window.

To reduce amount of “garbage” in this window an squelch is used. Squelch threshold is shown by horizontal line in the Spectrogram window. This threshold can be changed by mouse with “Shift” key pressed.

The “Setup > Enable Squelch in Main RX Window” options enables squelch in main RX window also.


CwGet can cooperate with another software as COM-server (ActiveX object) now.

Some issues occurred under Windows Vista were fixed.

Default working directory of software is located in “Application Data” (“ProgramData” under Vista) in place of “Program Files” now.

Command line parameter “/F” can define configuration file name now.

Some minor bugs were fixed.


Values 10:1 and 20:1 was added into “Zoom” menu.

Method of detector threshold automatic calculation was fully rewritten.

In “Auto Threshold” mode user can define minimal value of detector threshold by click at oscillogram window. Two horizontal lines show current detector threshold value and minimal threshold in this mode.


Some minor bugs were fixed and some minor improvements were made.


A text in the receiving window is not truncated automatically now.

The “Zoom” menu and Alt-1 ... Alt-5 hotkeys change frequency scale of spectrogram now.

The “Speed lock” button state and locked speed are saved by Setup > Save Setup command and are restored on software startup.

A bug was fixed - sound enabled by Setup > Sound Output option was wrong during decoding from a wave-file.


The “Setup > Tune RIG by > Show Omni-Rig Setup” command activates Omni-Rig setup dialog.

The “Setup > Spectrogram Colors Setup” and Setup > Oscillogram Colors Setup menus can change colors of all elements of spectrogram or oscillogram window now.


A problem of frequency control of some RIG types was fixed.

When the “Setup > AFC at mouse click” option is selected a fast AFC is made by click at spectrogram, but it is not made by click at frequency ruler below now.


The “Setup > AFC at Mouse Click” option was made. When this option is selected CwGet make fast AFC to near station after mouse click on spectrogram regardless of the “AFC” button state.

The “Setup > Tune RIG by” menu switches on the mode of automatic transceiver frequency control. In this mode transceiver radio frequency is changed to consist RX frequency to TX frequency. Auto-tuning is made after click on spectrogram or by “GoToMax” command. Tuning can be made by RIT or by VFO according selected option. Take to attention that not every transceiver has programmable RIT. In this case auto-tuning by RIT is impossible. Tuning is made via OmniRig software interface. Hamport software uses this interface also.


User can select soundcards used for sound input and output by Setup > Input Sound Card and Setup > Output Sound Card menu now.


The documentation was updated.

Oscillogram drawing was improved, especially under Windows 2000/XP.


AFC has two parameters now. The first parameter is local deviation in hertzs, i.e. maximal deviation from current frequency. Second parameter is global deviation in hertzs, i.e. maximal deviation from last user-selected frequency. User-selected frequency is shown at spectrogram by short thin line.

A one minute sound buffer was made. The “Replay” button click makes CwGet to replay previous 10 seconds of received signal. The The “Save” button writes previous 60 seconds of a sound to a wave file in the “Waves” directory. Special macrosequences can be used in the CwType software (V1.32 and later) to control this sound buffer also.


The “File > Open Wave Capture File” command opens wave-file to save all received from soundcard sound. File is closed by the File > Close Wave Capture File command.

A frequency ruler was made.

To move a visible part of spectrogram to left or right you need to drag it by mouse with Alt key pressed now.


CwGet removes all spaces in selected text transferred to a logger now.

The option Setup > Catch Word by One Mouse Click was made. When this option is enabled, you can catch a word from RX window by single mouse click, not double-click. But you still can select the part of the text by a mouse dragging.

The Setup > Catch Words in Contest Mode option was made. In this mode software doesn't use popup-menu to catch word to logger. CwGet recognize callsign or control number automatically.

The Setup > Copy Transferred Data to Clipboard option was made. When this option is enabled, data transferred to logger are copied to the Windows clipboard also.


Some minor improvements were made.


A problem with scrolling of received symbols window was fixed.


The documentation was update.

Some minor improvements were made.


CwGet can decode signals from WAVE-file now. See the File > Decode From File command. WAVE-file must be Windows PCM file, without compression. Preferred file parameters are mono, 16 bit, 11025 Hz.


If your sound card supports a full-duplex mode, you can use CwGet as narrow-band sound DSP-filter now. The bandwidth of a sound filter is selected by the Setup > Sound Output menu.


If there are several sound cards in a computer, you can select the card by the “SoundCardNumber” parameter of [CwGet] section of the CWGET.INI file. “SoundCardNumber=0” means a first sound card, “SoundCardNumber=1” means a second card etc. Negative value means system default sound card.

The command “File > Open Buffer in Notepad” was made. It saves receiving buffer in a temporary file and opens this file by a text editor. Then you can view this file or print it. The hotkey of this command is “Ctrl-N”. This command is available in registered version of the software only.


The main filter and amplitude detector was fully rewritten.

A set of main filter bandwidths was extended.

“Alt-D” shortcut was made for the “Clear Buffer” command.


The problem with spectrogram repaint on some computers was fixed.


An old internal bug was fixed.


The “Setup > Logarithmic Spectrogram” menu command or “Alt-Z” hotkey switch spectrogram window between linear or logarithmic scale. Analogously, the “Setup > Logarithmic Oscillogram menu command or “Ctrl-Z” hotkey change oscillogram window scale.

Background colors of spectrogram and oscillogram windows can be changed now. See Setup > Spectrogram Background Setup and “Setup > Oscillogram Background Setup” menu commands.

CwGet can transfer received symbols to another software now. Data exchange can be made by DXSOFTEX.DLL library. See https://www.dxsoft.com/dxs-exch.zip for details.


User can change spectrogram center frequency now. Press “Alt” key and click on the desired frequency by mouse left button to move the frequency to the window center.

The marker of TX frequency is made to help with zero-beat tuning. The TX marker is short thick black line. To change the TX marker position, click on the desired frequency by right mouse button (or by left mouse button with “Ctrl” key pressed).

Speed Lock” button was made. CW speed is fixed when this button is pressed. Hotkey for this button is “Alt-K”.


“Esc”, “Ctrl-F1” … “Ctrl-F12”, “Alt-F1” … “Alt-F12” keystrokes are transferred to CwType now (for CwType v0.26 and later).

“Alt-S” hotkey for “File > Save Buffer” command was made.

File > Open Capture File” command opens capture-file for received symbols. If file exist, new symbols are appended to it. “File > Close Capture File” command closes capture-file. Capture-file state is shown in status-line. Hotkey for capture on/off commands is “Alt-L”.

The input bandwidth top margin was increased to 3 kHz.

Setup > Main Filter > Very Narrow Filter” option was added. It is appropriate for very low manipulation speed only, surely.

The burst filter options “5 LPM”, “10 LPM”, “25 LPM”, “50 LPM” were added.


Data transfer from CwGet to AALog logger (v1.03 and later) was made.

To transfer data from RX-window, double-click on word or select words by mouse. Then select the field from popup-menu. “Scroll Lock” key is transferred into CwType program as “TX/RX command now.

On-line help was made.

Install/uninstall support was made.


Free Buffers” field was moved to status bar. Filters parameters and speed of received signal are shown in status bar too.

Minor internal changes were made.


User can select user-defined charset now (“Setup > User-defined Charset”). Charset is defined by simple text file. See example in SAMPLE.CWG file.


User can select font parameters and background color of RX window (“Setup > Rx Window Font Setup” and “Setup > Rx Window Background Setup”).


User can select English or Russian charset now. (“Setup > English Charset” or “Setup > Russian Charset”).

Command “File > Clear Buffer” was made.

Command “File > Save Buffer” was made.

Minor changes in the interface were made.


When the burst filter’s time response is changed the envelope detector time response is also adjusted — this helps with very fast keying.

The keys “F1“ … “F12”, “Pause”, “Ctrl-P”, “Ctrl-T” are transferred into CwType program now.


Once more change of algorithm of inter-symbol pause recognition was made.

“Wrong” symbols are shown as dot-dash sequence now.

User can vary bandpass of main filter and time response of burst filter. It is useful on very fast keying (for example on meteor QSO). Sizes and coordinates of windows and other parameters are saving on the command “Setup > Save setup”.


Minor changes in the interface were made.

Recognition of badly sent signals (when the operator does not observe the intervals between characters) was improved.


Minor rework was made to facilitate “Copy/Paste” operations.


Shortcuts were made.

The options are added:

  • OnTop” — to be in front of all windows;
  • AutoGTM” — to automatically jump to the frequency of the strongest signal after detecting a pause longer than eight “dots” in the current signal.


“Freezing” of the program on slower computers and while increasing the size of the window was fixed.


The first public version was released.

Design © 2002 Max Zuber

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