1. Very simple QRP transmitter - https://people.physics.anu.edu.au/~dxt103/QRP/

** VK1SV calculators page - https://people.physics.anu.edu.au/~dxt103/calculators/

2. UFF: Нові референції Херсонщини - https://uff.pp.ua/360-novi-referenciyi-hersonschini.html

3. MLog (freeware hamradio logging software) - http://www.schmitz-sh.de/mlog/

4. DXCC Most Wanted list (03.02.2022- https://clublog.org/mostwanted.php

5. Balun 1:1 для КВ антенны на кольце из блока питания компьютера - https://www.youtube.com/watch?v=TOPgj59tEfA