World Amateur Radio Day
World Amateur Radio Day
https://www.iaru-r1.org/2020/world-amateur-radio-day/
https://translate.google.com/translate?hl=&sl=en&tl=pl&u=https%3A%2F%2Fwww.iaru-r1.org%2F2020%2Fworld-amateur-radio-day%2F&sandbox=1
PRZEJD NA FORUM