Software Defined Radio

Edit Package quisk

This is Quisk, a Software Defined Radio (SDR). You supply an antenna, a complex (I/Q) mixer to convert radio spectrum to a low IF, and send that IF to the left and right inputs of the sound card in your computer. The Quisk software will read the sound card data, tune it, filter it, demodulate it, and send the audio to headphones or speakers. Quisk has a microphone input and a key input so it can operate as a complete transceiver. Quisk works with this hardware:
* SoftRock connected to the sound card
* Many other SDR's connected to the sound card
* SDR-IQ connected by USB
* N2ADR hardware connected by Ethernet and IP
* HiQSDR hardware connected by Ethernet and IP
Quisk can be used as a pan adapter, and can control some radios
Quisk is small and simple, and has been designed so that it is easy to change Quisk to suit your own hardware. Quisk rhymes with "brisk", and is QSK plus a few letters to make it easier to pronounce. QSK is a Q signal meaning full breakin CW operation, and Quisk has been designed for low latency. Quisk includes an input keying signal that can mute the audio and substitute a sidetone.

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Source Files
Filename Size Changed
_service 0000000238 238 Bytes
_service:download_url:quisk-4.2.31.tar.gz 0005141634 4.9 MB
quisk.changes 0000045693 44.6 KB
quisk.spec 0000004924 4.81 KB
Latest Revision
Wojciech Kazubski's avatar Wojciech Kazubski (wkazubski) accepted request 1166041 from Wojciech Kazubski's avatar Wojciech Kazubski (wkazubski) (revision 145)
- Version 4.2.31  March 2024
  * The "Tune" item was missing from the Midi menus, fixed.
  * The Midi speed can be set from the menu too.
- Version 4.2.30  March 2024
  * A new option "Tx-Rx silence msec" on the Timing configuration
    screen controls how long to suppress Rx audio when switching
    from Tx to Rx. The previous fixed time was 50 msec.
  * The SSB squelch control now works on CW too. Please test
------------------------------------------------------------------
- Version 4.2.29  January 2024
  * This version updates the FreeDV library files and program logic.
  * Added a "Monitor" item to the FreeDV menu. It routes the sound
    to the speakers instead of to the demodulator.
  * Modes 700x and 1600 are finished.
- Version 4.2.28  December 2023
  * This version includes a patch from Jon, AB8WU, to build Quisk
    on FreeBSD.
  * Fixed a bug in setting the AF level in Hamlib.
- Version 4.2.27  December 2023
  * This release corrects the Hermes-Lite2 antenna tuner logic.
- Version 4.2.26  December 2023
  * This release has support for the Hermes-Lite2 antenna tuner
    protocol.
- Version 4.2.25  November 2023
  * When using the Hermes-Lite2 at a remote location over WiFi,
    the Tx buffer may underflow, added another line to the
- Version 4.2.24  November 2023
  * You can now specify the WSJT-X option "--rig-name" on the
    Configure WSJT-X window.
  * Worked around a bug in wxPython that caused some screens to be
    too small.
  * Polished the code for the RQST and ACK bits in the Hermes-Lite2
    protocol.
- Version 4.2.23  September 2023
  * Fixed a bug in the HiQSDR when the clock is not a multiple of
    48 kHz.
  * Added more support for the IO board.
- Version 4.2.22  August 2023
  * This version adds more support for the Hermes Lite2 IO board.
- Version 4.2.21  July 2023
  * New IO board register numbers.
- Version 4.2.20  July 2023
  * Fixed a bug in the HiQSDR radio that caused the CW sidetone to
    play when not in CW mode.
- Version 4.2.19  May 2023
  * Added the Flex ZZAR command to the Hamlib interface.
  * When using the AC2YD remote feature, the serial port PTT now
    works correctly.
- Version 4.2.18  April 2023
  * Added some small changes to the I2C messages sent to the Hermes
    Lite 2 IO board.
- Version 4.2.17  February 2023
  * Fixed the PTT keyboard shortcut on Linux.
  * The "documentation" link at the top on the Help screen now works
    on all platforms.
  * The "Split" feature now defaults to 1000 Hz for CW, and 3000 Hz
    for other modes. You can now lock either the Rx or Tx frequency.
- Version 4.2.16  January 2023
  * The CAT serial port can now be a real hardware port or a
    virtual port.
- Version 4.2.15  January 2023
  * The Alsa sound driver with the "Fast Sound" option are fast
    enough to produce a useful sidetone for CW operation.
  * Improved the PulseAudio sound driver to produce a fast sidetone too.
- Version 4.2.14  December 2022
  * The new file quisk_hardware_fifisdr.py supports the FiFi SDR
    hardware. Thanks to Joe, LA6GRA.
  * Added the rig 2 Hamlib command "U TUNER 1" to control the Spot
    button.
  * The Quisk remote feature now works with the "Small" screen format.
- Version 4.2.13  December 2022
  * Dropped support for Python 2
  * Aadded keepalive graph data that is sent at one second intervals.
  * Added support for the HiQSDR radio to Remote Quisk.
  * Corrected some drawing errors on the config screens.
  * Removed the "Help with Radios" config tab and moved the text to
    the documentation available from the Help button.
- version 4.2.12  November 2022
  * The Hermes LNA slider control value made persistent.
  * When using Quisk Remote, band changes from WSJT-X now correctly
    set the HL2 filters.
  * Fixed a bug in the SoftRock amplitude/phase adjustment screens.
  * Started work on using the "small screen" version of Quisk work
    as a control head.
- version 4.2.11  November 2022
  * Update to the new Quisk Remote feature by Ben, AC2YD.
    - The audio sample rate reduced from 48 ksps to 8 ksps.
  * Fixed the problem with the Split Rx/Tx feature. Please test.
- version 4.2.10  October 2022
  * Improved the Config/Config and Config/TxAudio screens and added
    help buttons for all items. 
  * The File Record button no longer overwrites an existing file,
    new file is created each time.
  * Fixed some bugs in the new Quisk Remote feature by Ben, AC2YD.
    + The Spot slider is now initialized.
    + Fixed the bugs in the Split feature.
-  version 4.2.9  October 2022
  * Update to the new Quisk Remote feature by Ben, AC2YD.
    + Fixed the problem with the favorites screen and the station
      buttons below the X-axis.
    + Fixed the "Failure in OnFreedvMenu" bug.
- version 4.2.8  September 2022
  * Update to the new Quisk Remote feature by Ben, AC2YD.
    + Midi now works with the control head.
    + For HermesLite2, the RfLna is correctly initialized.
    + Changed the ports to 4585:TCP control; 4586: graph data;
      4587:radio sound and mic. This should work correctly with NAT.
  * The main documentation page docs.html which is available from
    the Help button now describes the remote feature in more detail.
- version 4.2.7  September 2022
  * update to the new Quisk Remote feature by Ben, AC2YD.
    + The clip indicator is now sent from the remote to the control head.
    + The remote radio IP address can now be a host name or an IP address.
    + TCP and UDP ports are now distinguished in the documentation.
    + The control head sends initial graph data to the remote in
      order to establish a path through NAT.
    + The remote radio can now be operated as a normal radio unless
      there is an active connection to the control head.
  * The Favorites screen now works.
- version 4.2.6
  * update to the new Quisk Remote feature by Ben, AC2YD.
    + The frequency is now correctly set when changing bands. 
    + Initial menu items are now set.
    + Frequencies stay synchronized when changing from USB to CWU.
  * changed the graph data from 8 bit to 16 bit.
  * improved the config screen visibility when using "Dark" mode.
- version 4.2.5
  * This is an update to the new Quisk Remote feature by Ben, AC2YD.
  * There is no longer a need to make the screen sizes of the control
    head and remote radio the same. Any size should be OK.
  * Fixed other bugs.
- version 4.2.4
  * This version adds the missing ac2yd directory. It is present in
    the Quisk source distribution but missing in the "pip" installs.
- version 4.2.3
  * This is an experimental release to test the new Quisk radio
    remote control software written by Ben Cahill, AC2YD. This
    allows Quisk running on a local PC to control a remote radio.
    The remote radio is connected to a PC also running Quisk. Ben
    has tested this on SoftRock CW operation. The current test
    version supports SoftRock and HermesLite2.
- version 4.2.2
  * Works on the Hambib Rig 2 interface.
  * Changed the response to chk_vfo to agree with Hamlib 4.4.
  * Some work on FM demodulation
- version 4.2.1
  * Improved the Hamlib Rig 2 interface.
  * Some improvements to the station line shown below the X axis
    on the graph.
  * Quisk now has some support for the Hermes Lite IO Board.
- version 4.2.0
  * Added a patch to improve compatibility with Hamlib.
  * Removed the Python function set_transmit_mode() because it
    seems to be unused.
  * Fixed a lockup problem that happens when the Hermes Lite2 key
    is pressed during SSB operation.
------------------------------------------------------------------
- version 4.1.96
  * Fixed the bug that touching the CW key in SSB mode locked up
    Quisk in transmit mode.
  * The state of the Play device is now saved when starting Quisk.
  * When changing between CW and SSB, the transmit and receive 
    frequencies are moved by the CW tone frequency.
  * Changed the return from Hamlib GetVfo() from "VFO" to "Main"
    to fix a compatibility problem.
- version 4.1.95
  * minor fix a Midi issue.
  * There is now a separate item on the radio Keys screen to
    control the Midi PTT toggle.
- version 4.1.94
  * fix some Midi issues, The Config/Keys "PTT key toggle" item now
    controls the Midi PTT control as well ts the hot key PTT.
- build for openSUSE Leap 15.4 using python 3
- version 4.1.93
  * Fixed a bug in the FreeDV button.
  * Quisk can now use the WDSP library to add the additional
    functions NR2 (noise reduction) and SNB (noise blanker).
- version 4.1.92
  * Changed the power meter on the Hermes Lite 2 from an average
    value to PEP.
  * The FreeDV sideband and mode are now restored on startup.
  * Fixed a bug that results in errors on tx_level when adding a
    new radio.
  * Fixed a bug in the new PTT key logic. 
  * The Midi control now updates the Rf gain display.
- version 4.1.91
  * Changed the Midi control of the Rit frequency so the center
    includes the CW tuning offset.
  * Fixed the PTT accelerator key that was failing for some users.
  * Change to fix the problem with "digital_rx2_name" not being found.
  * Added a button to set the WSJT-X path and config option. It is
    on the Config/Config screen.
- version 4.1.90
  * changed the Midi feature to accomodate more Midi controllers.
  * removed the Midi message from the Config/Status screen and moved
    to the Midi screen (Config/radio/Keys).
  * added the RfLna control.
  * added a log file to Quisk. Log messages are sent to the file
    quisk_logfile.txt which is located with other Quisk user files.
  * Fixed and improved the serial port PTT feature
- version 4.1.89
  * fixed the problem of Quisk crashing when the Config button is
    pressed. This only happens on the Raspberry Pi.
  * some improvements to the Midi feature, Midi now works for all
    buttons on the Small Screen layout.
- version 4.1.88
  * Added a button on the Config/Config screen to start WSJT-X.
  * On Linux, Quisk can set up virtual sound card names for WSJT-X.
- version 4.1.87
  * The documentation now has a better description of how to make
    a custom hardware file.
  * some changes to the new Midi feature. The Config/Status screen
    now shows all three bytes of the Midi message
  * the MidiHandler logic moved to its own file midi_handler.py.
- version 4.1.86
  * bug fix release to fix a problem with the new Midi logic and
    Keys screen
- version 4.1.85
  * visual improvements to the configuration screens
  * option to assign Midi notes to Quisk buttons
  * moved the existing "Midi CW key" from the CW screen to the new
    Keys screen
  * Quisk has a new hardware file quisk_hardware_hl2_oob.py, it is
    for use with the Hermes Lite 2, and it disables the power amp
    when the transmit frequency including sidebands is out of band
- version 4.1.84
  * patch to correct the phase adjustments in conjunction with
    channel delay
  * added the Transverter Offset from the Bands screen to SoapySDR.
  * Quisk shows a color bar on the frequency X-axis to show the band
    plan. Since the band plan varies with country, there is a new
    feature to change it on the config screen.
- version 4.1.83
  * patches for FreeDV mode 700E
  * Start CW delay is now adjustable
  * Start SSB delay is now adjustable
  * TX timeout was added and is adjustable 
- version 4.1.82
  * Quisk now works with 64-bit Python 3.9. It is OK to continue
    using 64-bit Python 3.8.
  * changed PortAudio and added addition log messages.
- version 4.1.81
  * Quisk on Windows now handles devices with 3-byte samples, and
    works in both Exclusive and Shared mode.
  * Bug fix release.
- version 4.1.80
  * Bug fix release.
  * Fixed a problem with sound on Windows when "Fast sound" is False
- version 4.1.79
  * Bug fix release.
  * Fixed the 5 second freeze in CW mode for SoftRock hardware.
- version 4.1.78
  * Hamlib Rig2 split VFO now controls the frequency of the first
    added receiver.
  * Fixed a bug in the HermesLite 2 Small Screen layout.
  * Added address 0x09 bit 17 for the HermesLite 2 radio.
- version 4.1.77
  * added further changes to support the YU1LM designs and the
    Genesis 3020 QRP rigs. 
  * When using the ZZBS Hamlib command, Quisk now remembers the
    last frequency and mode.
  * added back some softrock files that were removed.
- version 4.1.76
  * improved sound buffer levels so they stay closer to 50%
  * corrected code so no warning messages are produced by the latest
    compiler.
  * fixed the problem with Hermes write queue timeouts on startup
  * added back the RTS signal to the Linux serial port CW keying
    logic. This signal goes high when DSR goes high.When DSR goes low,
    RTS goes low after a 1.5 second delay.
  * added additional logic to the Hamlib serial port
  * added two new Hamlib commands: ZZAG and ZZBS
- version 4.1.75
  * improvements for Windows and Mac, improvements to pip build
- version 4.1.74
  * added some missing controls to the Hermes-Lite2 Hardware
    configuration screen. 
  * removed the Alex filter band screen and implemented the same 
    logic in the regular Bands screen
  * SdrIQ support was changed. Quisk now uses the hardware file
    quisk_hardware_sdriq.py instead of sdriqpkg. The directory 
    sdriqpkg and those binary files are now obsolete. The new code is
    100% Python.
- version 4.1.73
  * rewritten the logic for SoftRock I/Q amplitude and phase
    corrections.
  * added a missing version.h file to SoapySDR
  * when using the Split button, Quisk now leaves the Rx frequency
    unchanged and splits the Tx frequency.
  * added a new band "Aux1" that can be checked on the 
    Config/radio/Bands screen. It can be used as a special band
    for a panadapter or when Quisk is used as a 10.7 MHz IF.
- version 4.1.72
  * for SoftRock hardware, the Tx power can now be set for each band
  * added the Tx level and Digital Tx Level sliders to the 
    Config/Config screen, and the Digital Tx power % to the 
    Config/radio/Hardware screen.
  * the Y-scale and Y-zero settings are now saved for the graph at
    the top of the Waterfall screen
  * fixed a problem with the Hermes Lite 2 SWR display
  * fixed a problem with SoftRock phase corrections.
- version 4.1.71
  * now writing initialization in the new file quisk_init.json, a
    text file.
  * the location of the Quisk user files is now shown on the
    Config/Status screen.
  * fixed a bug in the new CW snap-to-peak feature
  * added "PTT hang time" and "Tx buffer msec" to the Hermes Lite 2
    hardware screen.
  * the Graph button can be pressed repeatedly to select display averaging
  * the Waterfall button can now be pressed repeatedly to select averaging
    for the graph at the top
  * to adjust the graph at the top, hold down the Shift key.
- version 4.1.70
  * speeded up MIDI CW keying on Linux.
  * removed the slider to set the level of Tx audio sent to SoftRock\
    hardware
  * removed the 70% limitation for Tx level
  * for CW modes, if you click a peak within the filter bandwidth, the
    tuning frequency will snap to the peak. 
  * made frequency rounding work with the Rx frequency in split mode
- version 4.1.69
  * Quisk can now use a MIDI device for CW keying
  * fixed a bug in the small screen display.
- version 4.1.68
  * fixed a bug in the S-meter code for very small signals of less
    than 1E-16
  * fixed a bug in the config screen colors when Quisk can not find
    the correct color scheme of the system.
- version 4.1.67
  * fixed the colors on the config screens when using the "Adwaita
    dark" theme
  * the hardware CW/PTT input now works on voice modes for HiQSDR.
- fixed some rpmlint warnings
- version 4.1.66
  * Soundio is no longer used, the fast sound is only used for the
    sidetone. There is no longer a "fast sound" option on the
    config screens for Linux.
  * corrected the Soapy module for a recent API change.
  * fixed two bugs in the Python2 version, thanks Jaroslav OK2JRQ
  * added back the waterfall_scroll_mode item from the config file.
- version 4.1.65
  * correct the problems with opening soundcards, you can use any
    Alsa name that libsoundio recognizes
  * other improvements to the sound system to increase stability and
    reduce CPU usage
- version 4.1.64
  * the favorites button now jumps to the correct screen
  * the Pulse device "default" now works.
  * this version should open "fast sound" devices that failed before
- version 4.1.63
  * fixed an incompatibility with Python2 from version 4.1.61
  * code to add new FreeDV modes provided by Dave Roberts, G8KBB, 
- version 4.1.62
  * fixed fast sound problem on Windows
- version 4.1.61
  * fixed a problem with the newest version 4.1.0 of wxPython on
    Windows
  * re-writed all the waterfall code in C
- version 4.1.60
  * bug fix release,
  * fixed a problem with the file record and play buttons.
  * fixed a problem with SoftRock CW operation, some major changes
    to softrock/hardware_usb.py.
- version 4.1.59
  * bug fix release to correct some installation problems
- Fixed runtime requirements for Tumbleweed
- version 4.1.58
  * includes a new faster sound system that enables fast CW sidetone
    and remote CW operation for the Hermes-Lite2. All the old sound
    systems are still included
  * fixed a bug with the external demodulation button
  * moved the sound latency timing parameter to the timing screen
  * removed the top level "Config/Sound" screen because it was not
    useful and conflicted with the radio sound scree
  * a patch for the Perseus hardware
  * a patch to speed startup time
  * code to add new FreeDV modes
  * for SoftRock, Quisk will now try the USB backend libusb0 if
    libusb1 fails
  * added the "-r" or "--radio" command line option to choose the
    startup radio
  * Quisk will now save and restore the various record and playback
    file names
  * You can now right-click the temporary playback button to save
    the sound to a file
  * added additional control items to Quisk's rig2 protocol. The
    mode PKTUSB sent by WSJT-X is now recognized and interpreted as
    mode DGT-U, also added PKTLSB and PKTFM
  * added the level AGC to control the AGC button, and the level
    AF for the audio volume
- version 4.1.57
  * fixed a bug in the small screen version
  * fixed an incompatibility with the latest wxPython version 4.1.0
  * added a code to close FreeDV properly
- fixed runtime dependency on Tumbleweed
- changed source URL according to python packaging rules
- version 4.1.56
  * portaudio is now optional
  * fixed restoring the correct frequency for the 60 meter band
  * some other bug fixes
- version 4.1.55
- version 4.1.54
  * new code for the Sdr Micron by David Fainitski
  * new code code for the Perseus SDR by Andrea Montefusco IW0HDV
  * added a general way to add new radios to the configuration screens
- version 4.1.53
  * Afedri radio module modified to be compatible with Python3.
  * the graph Zoom feature now is available on the Bandscope screen
  * patch to make dx cluster work with Python 3.
  * extended the range of the Waterfall color controls Ys and Yz to
    accommodate hardware with a higher noise floor such as PlutoSDR
  * added a hardware setting for the LNA gain during transmit for
    the HL2
  * some changes to the CW and PTT hardware interface for the HL2
- fixed build for Tumbleweed
- specfile cleanup
- version 4.1.52
  * added an On/Off button to Quisk.
  * fixed a bug in the Alsa sound system that produced sporadic crashes
  * fixed a bug in the Python3 SoftRock hardware_net.py code.
  * The Config/Status screen now shows the dB level of each open
    sound device. The maximum level is zero dB.
- version 4.1.51
  * fixed a bug in the "small screen" code when using the new wx
    version 4
  * that underflows from the Soapy sample source are not counted
    as errors.
  * fixed the Linux installation error "ImportError: No module
    named _quisk"
- version 4.1.50
  * fixed a bug in the SoftRock Tx sound level
  * fixed a bug in the HermesLite gateware program button traceback
- version 4.1.49
  * ability to program the Hermes Gateware (FPGA flash) over Ethernet
  * fixed some more Python 3 bugs
- version 4.1.48
  * fixed some more problems with the Python3 version of Quisk
  * added support for reading and writing the EEPROM in the HermesLite 
  (reading the EEPROM requires code version 68 or newer, the EEPROM
  settings are onthe radio Hardware screen})
- version 4.1.47
  * fixed a problem with the Python 3 version of Quisk saving program state
  * Iadded some code provided by Steve to support the HermesLite
- version 4.1.46
  * When using the bandscope screen the band buttons no longer reset
    the frequency and mode.
  * The hot key now works better, and is disabled when using the
    config screens.
  * Changed the FM repeater offset code to increase the level of
    the CTCSS tone.
- version 4.1.45
  * added a config screen hardware option "Hermes known IP". 
  * the Python Rx samples interface can now accept bandscope data,
    that is, raw samples from the ADC
- remove more prebuilt binaries
- version 4.1.43
  * Fixed a bug that resulted in calling the hardware HeartBeat()
    method too frequently. This caused flickering of the HermesLite
    temperature reading.
- version 4.1.42
  * improved the SoftRock amplitude/phase correct screen.
  * fixed a bug in the Hamlib extended commands, thanks to James, KE4MIQ.
  * added an interface to provide Rx samples to Quisk directly from the
    Python hardware file. Many new SDR hardware devices return samples
    by Ethernet, USB or a serial port.
  * new interface to support the SDR-IQ by RfSpace. Change hardware file
    to quisk_hardware_sdriq.py instead of the sdriqpkg directory to use
    the new logic.
- version 4.1.41
  * added Steve's code for the Hermes Lite 2 that moves the harmonics
    of the switching power supplies out of the amateur bands.
  * renamed sound devices to have consistent names on all screens.
  * changes to the SDR-IQ module and the Quisk widgets module
  * the configuration screens for the radios made more efficient.
- version 4.1.40
  * the filter bandwidth is now saved for program start.
  * fixed a buffer overflow in the DirectX code
  * added "Digital output level" to the Config/Sound screen.
  * added code to fix a burst of Tx noise when switching to digital
    modes
  * attempt to fix the problem with the signal being transmitted at
    the center frequency instead of the tuning frequency
- version 4.1.39 
  * Fixed a bug in the VNA program quisk_vna.py
- Fix runtime dependencies for Tumbleweed
- Fix build for Tumbleweed
- version 4.1.38
  * The bandwidth of the DC removal filter on the Config/radio/Options
    screen now applies to all sample sources, not just sound cards.
  * Added Rx and Tx sample rate and bandwidth to the SoapySDR
    hardware screen, any value can be entered.
    
- version 4.1.37
  * Added another broadcast address to the Hermes code to fix a
    network problem. 
  * Added an option to the radio Options config screen to reverse
    the sideband on Tx. This is needed for satellite operation.
  * Added the 13, 9, 5 and 3cm bands to the list. A
  * Added the additional samples rates 50, 100, 250, 500 and 1250
    ksps to accommodate the RedPitaya. 
  * The frequency entry box now clears its entry with each use.
  * You can now specify the bandwidth of the SoftRock DC removal 
    filter on the radio Options screen.
  * Added some of the SoapySDR transmit parameters on the radio
    screen. Transmit is disabled for now.
- added a patch to add chk_vfo to the Hamlib control for WSJT-X
- further improvements for DoapySDR radios
- adde three RX gain setting methods and automatic DC correction
- removed prebuilt x86_64 library from soapypkg directory (old 
  version, unusable on other architectures)
- version 4.1.35
  * added ability to set Tx Level for each band for Red Pitaya
  * changed Hermes Lite networking so it works with Virtual Box and
    multiple network interfaces
- version 4.1.34
  * fixed a bug that caused a traceback for b_test1 when using the
    small screen layout
  * added support for Afedri hardware
- version 4.1.33
  * improved level control for digital modes
  * added a squelch feature that works for SSB and FM
- version 4.1.32
  * corrected some button colors and colors on the config screens
  * increased max output level (PEP) to 100%
  * new tuning method added to center Rx filter on mouse pointer
- version 4.1.31
  * added a new "Filters" page to the Config Radio screens for the
    Hermes Protocol Alex high pass and low pass filters.
- version 4.1.30
  * fixed a bug that happens with multiple displays  
  * the zoom feature now centers in the Rx passband
- fixed build for architectures other than x86_64
- version 4.1.26
  * added some narrow filters to the digital modes DGT-U and DGT-L 
    (centered at 1500 Hertz) 
  * filters are now more accurately shown, and include the effect
    of RIT.
  * keyup delay now works with the PTT button too.
- version 4.1.25
  * added the option of Quisk CAT control by a software serial port
    to accommodate N1MM+ logging software.
  * moved the split Rx/Tx play menu from the config screen to the
    Split button so it is easier to change.
  * added code to control the VersaClock on the Hermes-Lite2.
- version 4.1.24
  * Mic device is no longer needed for digital modes or Spot, but
    only for voice communications.
  * Modified the Config/radio/Keys screen.
  * Improved operation on the Raspberry Pi.
- version 4.1.23
- version 4.1.22
  * fixed the FM squelch so that it works for multiple receivers
  * the record to file and play from file logic was simplified and
    improved
- version 4.1.21
  * changes for the Hermes Lite 2 project
  * changes for the Dx Cluster feature
  * option to control CW hang time in menu
 
- version 4.1.20
  * changes for the Hermes Lite 2 project
  * added a change for the Dx Cluster feature
- version 4.1.19
  * separate Rx and Tx filter settings for Hermes Lite 2
- version 4.1.18
  * support for new FreeDV mode 700D.
- version 4.1.17
  * Hermes Lite 2 support. Firmware 62 and above is required.
- version 4.1.16
- version 4.1.15
- version 4.1.14
- version 4.1.12
- version 4.1.11
- version 4.1.10
- updated to latest HL2 firmware
- fixed bug in VNA code for HL
- version 4.1.9
- bandscope for Odyssey-2
- changed HermesLite2 logic to agree with the new firmware
- logic to correct for rate differences between two sound cards 
- version 4.1.8
- bandscope for Hermes Lite
- version 4.1.7
- support for Hermes Lite 1 and 2
- version 4.1.3
- version 4.1.2
- fixed build for Fedora 24
- version 4.1.1
- version 4.0.6
- version 4.0.5
- version 4.0.4
- version 4.0.3
- version 4.0.2
- version 4.0.1
- version 4.0.0
- version 3.7.8
- version 3.7.7
- version 3.7.6
- version 3.7.5
- version 3.7.4
- version 3.7.2
- version 3.6.22
- version 3.6.21
- version 3.6.20
- version 3.6.19
- version 3.6.18
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