1. The Chameleon CHA RXL amplified wideband loop antenna - https://swling.com/blog/2021/05/the-chameleon-cha-rxl-amplified-wideband-loop-antenna/
2. SG-2020 ADSP² Transceiver (Retired 09/05) - https://www.sgcworld.com/2020ProductPage.html
3. QSO Trainer - https://morsecode.world/international/trainer/qso.html
4. Для молодих операторів - YOTA Contest 2021 - https://www.ham-yota.com/contest/
1st round: 22nd of May, 0800 – 1959 UTC
2nd round: 17th of July, 1000 – 2159 UTC
3rd round: 30th of December, 1200 – 2359 UTC
5. 57th BALTIC CONTEST (2021) - https://t.me/joinchat/FkO-zRH9yUj6tS6Suz3oXA
Period: from 2100z May 22, 2021 till 0200z May 23, 2021 UTC
