1. Homebrew FT8QRP AFP/FSK TRX - https://f5npv.wordpress.com/homebrew-ft8qrp-afp-fsk-trx/
2. K6MM 160m Antenna Modifications - https://w6aer.com/k6mm-160m-antenna-modifications/
** HF9V Antenna Installation & Modifications - https://w6aer.com/hf9v-antenna/
3. UBA 75 AWARD - https://hamlog.online/uba75/rules.pdf
4. Подведен итог Кубка 50МГц - http://www.vhf-uarl.at.ua/news/kubok_ukrainy_50mgc_2021/2022-01-20-680
5. Time-sync programmes (Програми синхронізації часу): Dimension 4 (v5.31) - http://www.thinkman.com/dimension4/download.htm
** NetTime (v3.20) - http://www.timesynctool.com/
** NTP (Network Time Protokol) - https://www.meinberg.de/german/sw/ntp.htm
