1. Build a Ham Radio Voice Keyer for the Backpack (Створіть голосовий ключ для рюкзака) - https://www.nutsvolts.com/magazine/article/build-a-ham-radio-voice-keyer-for-the-backpack
2. POTA PERformer (Portable, Elevated, Resonant) Antenna (Антена POTA PERformer (портативна, піднесена, резонансна)) - https://whiteriverradio.com/wp-content/uploads/2023/07/POTA-PERformer-Antenna-by-KJ6ER-2023-03-1-1.pdf
3. SatNOGS (Глобальна мережа супутникових наземних станцій з відкритим кодом) - https://satnogs.org/
4. Balun (добірка конструкцій) - https://pd0g.wordpress.com/2024/01/14/balun/
5. SWL contest 2025 rules - https://webkiwisdrswl.blogspot.com/2024/09/swl-contest-2025-rules.html
The contest will start the 01 January 2025 and finish the 28 February 2025. They are 3 categories:
1) Only listen the medium wave 522 to 1710 kHz for Europe and 520 - 1710 kHz outside Europe
2) Only listen the shortwave 2300 kHz to 26100 kHz
3) listen MW and SW
73 de UT2AB
