| 68th anniversary of the first 23cm QSO in OK |
| 68th anniversary of the first 23cm QSO in OK https://ghz-europe.com/68th-anniversary-of-the-first-23cm-qso-in-ok/ https://translate.google.pl/translate?hl=pl&sl=cs&tl=pl&u=https%3A%2F%2Fghz-europe.com%2F68th-anniversary-of-the-first-23cm-qso-in-ok%2F GHz Europe |