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Antennas : Portable- K4SWL Antenna Plus
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- This project details building a multi-band antenna for park activations. The author constructs a random wire antenna with a 9:1 UnUn for improved performance. Winding the toroid core proved challenging, but the completed antenna shows promising results in initial tests with an analyzer. Further field testing is planned for a future activation.
[ Hits: 52 | Votes: 0 | Rating: 0 ]
- QLog
- QLog is a free log book program for Amateur Radio users that works on Linux, Windows, and Mac OS. It's made with the Qt framework and uses SQLite for storing data. QLog tries to keep things easy to use while offering all the features you'd need in a logbook. It's not meant specifically for contests at the moment.
[ Hits: 38 | Votes: 0 | Rating: 0 ]
- Automatic Roger Beep for VHF/UHF Contests
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- This project details an automatic roger beep circuit for VHF/UHF contests. Built around a Microchip PIC microcontroller, the design detects PTT (Push-To-Talk) activation and generates a brief tone upon release, mimicking a "roger beep" to signal the end of transmission. The circuit utilizes readily available components and includes downloadable resources for PCB layout and firmware.
[ Hits: 23 | Votes: 0 | Rating: 0 ]
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