qradiolink 0.8.5-rc3

QRadioLink is a Linux software defined radio transceiver application using VOIP for inter-communication, built on top of GNU radio, which allows experimenting with software defined radio hardware using different digital and analog radio signals and a friendly user interface. Its primary purpose is educational, but it can also be customized for low power data communications on various frequency bands. It can also be used as an amateur radio SDR transceiver for demonstrating radio communications to students. The application was originally inspired from the Codec2 GMSK modem project by Kristoff Bonne.

Tags communication radio
License GNU GPLv3
State stable

Recent Releases

0.8.5-rc329 Oct 2020 10:45 minor feature: Release 0.8.5-rc3 GNU radio panic in some FSK demodulators. visual display of some dials which were inverted. Hopefully more resilient IP modem burst mode.
0.8.5-rc224 Oct 2020 03:16 minor feature: Release 0.8.5-rc2 Upgraded to GNU radio 3.8 and Qt 5.14. some memory leaks and. Minor UI style changes.
0.8.3-510 Sep 2020 21:25 minor feature: Release 0.8.3-5 Re-enable AppImage build. too low modulation index in 4FSK modem. Enable changing radio channels from telnet and Mumble.
0.8.3-309 Aug 2020 16:45 minor feature: Release 0.8.3-3 in remote command interface. User paging. Improved IP burst synchronization.
0.8.3-102 Aug 2020 11:25 minor feature: Release 0.8.3-1 Improvements to SSB and FM transceivers. Proper FM pre-emphasis and de-emphasis. Individual RX and TX gain stages can be controlled individually. 4FSK IP modem with 96 kbit/s speed. Some, notably video timeout in low light.
0.8.3-alpha102 Dec 2019 17:05 minor feature: Test release for QA Improvements to text messages transmission. Improvements to audio playback. Inprovements to VOIP packet transmission for large latency network. RRC filtered 4FSK modes with rate 1/2 FEC (WIP). The usual.
0.8.2-321 Nov 2019 12:45 minor feature: Release 0.8.2-3 Minor. Audio recording. Tune reverse repeater shift. Configurable VOIP bitrate. Configurable VOX level. Configurable end beep.
0.8.2-126 Oct 2019 11:25 minor feature: Release 0.8.2 CTCSS not being transmitted. broken IP modem. in relay controller. Faster memory scan by not changing modes and CTCSS if unnecessary. Skip memory channel scan setting. Update GUI when changing channels during scan. Added 2FSK mode with Codec2 700C, all 2FSK modes now have RRC filtering. Added IP modem burst mode setting to GUI. Increased resilience of DQPSK modes. Re-enabled logging facility. Audio mixing. Remote control via network. Remote control via Mumble private text messages. Run headless (no graphical user interface) for terminal usage on. embedded platforms like the Raspberry Pi or similar boards without any screen. Mixed mode repeater (e.g. FM to Codec2 and viceversa, or FM to Opus. and viceversa or any combination of voice modes).
0.8.2-rc418 Oct 2019 07:45 minor feature: Logging to file / console . UI : minimizing window leaves FFT, constellation and RSSI disa . . Remove unused files. . README update. . Merge branch 'next'. . Release 0.8.2-rc4.
0.8.1-1114 Oct 2019 14:45 minor feature: Configurable TX filter widths for FM, SSB, AM. Memory channels now store more settings (TX gain, RX gain, squelch, volume, CTCSS etc.).
0.8.1-911 Oct 2019 00:25 minor feature: Increase FM deviation to +/- 6 kHz. S-meter calibration code. Relay control is optional and configurable now. AM, FM, SSB modulation improvement with compressor on.
0.8.1-406 Oct 2019 21:45 minor feature: Test release for Debian 0.8.1-4 Use Qt5 audio backend (Alsa, Pulse, Jack etc.). Mumble client compatibility.
0.8.0-228 Sep 2019 11:25 minor feature: Release 0.8.0-2 some found in the release candidates. Added FreeDV 1600 and FreeDV 700C digital modes. Performance inprovements to the FFT code. Update to GNU radio 3.7.13 and Qt 5.13. Base release for Debian Buster.
0.8.024 Sep 2019 03:15 minor feature: Release 0.8.0 some found in the release candidates. Added FreeDV 1600 and FreeDV 700C digital modes. Performance inprovements to the FFT code. Update to GNU radio 3.7.13 and Qt 5.13. Base release for Debian Buster.
0.8.0-rc319 Sep 2019 03:15 minor feature: Release 0.8.0-rc3 some found in 0.8.0-rc2. Added missing button for duplex operation. segfaults in libspeexdsp. VOX and VOIP forwarding use a different mechanism now. Audio compressor re-enabled.
0.8.0-rc115 Sep 2019 03:15 minor feature: User interface redesign, added plotter from Gqrx and analog S-meter display. Ported to Qt5. Supports now sample rates from 1 Msps to 30 Msps. SSB transmit AGC overdriving and clipping. low performance with PSK modes. Improvements to radio over IP forwarding. Configurable FFT sizes up to 1048576. Display FPS configurable from 5 FPS to 50 FPS. Options to improve CPU performance (toggle on/off FFT and constellation).
0.5.231 Aug 2019 05:20 minor feature: https://github.com/kantooon/qradiolink/releases/tag/0.5.2