Tucnak is multiplatform VHF/HF contest logbook. It is executable on Linux and other unix-type systems, Windows, Android and MacOS.
This is free and open source software.
Key Features
- Easy installation – only one binary is sufficient for base usage.
- You can control your rig (SSB PTT and CW). Is also possible to send SSB and CW CQ or transmit CW directly by typing from keyboard.
- Single items (Callsign, WWL, report, etc.) are automatically identified and inserted.
- The searching of typed-in string (Callsign, WWL) in actual log, in logs from other bands and in the C_W database of couple Callsign/WWL. It runs on background.
- Optionally add a remark to a QSO directly from the input line, or set QSL card flag.
- The Wizard for creating a new contest. It automatically sets parameters of a selected contest
- The Database of couple Callsign, World Wide Locator and QRV bands
- The Database of DXCC, valid locators for DXCC, locators with high activity from DXCC or middle locators of DXCC. It uses files cty.dat from K1EA and tucnakdw.
- The cross control couple callsign – locator.
- Import of VHF database by DL8EBW
- The basic statistics – number of worked DXCC and WWL
- There is a color world map with worked QSO in graphic mode.
Website: tucnak.nagano.cz
Support:
Developer: Ladislav Vaiz
License: GNU General Public License v2.0

Tucnak is written in C. Learn C with our recommended free books and free tutorials.
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Read our verdict in the software roundup.
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