| VHF - UHF - MW Newsletter - IARU Region 1 - 2018 r. |
| VHF - UHF - MW Newsletter - IARU Region 1 - 2018 r. 79 Edycja 3 Wrzesień 2018 r. https://www.iaru-r1.org/images/VHF/newsletters/Newsletter_79a.pdf http://www.ok2kkw.com/iaru/iaru_vhf_newsletter_79.pdf Courtesy OK2KKW |