| VHF - UHF - MW Newsletter - IARU Region 1 - 2015 r. |
| VHF - UHF - MW Newsletter - IARU Region 1 - 2015 r. 65 Edycja 20 luty 2015r. http://www.iaru-r1.org/images/VHF/newsletters/Newsletter_65.pdf 66 Edycja 08 maj 2015r. http://www.iaru-r1.org/images/VHF/newsletters/Newsletter_66.pdf 67 Edycja 11 Lipiec 2015r. http://www.iaru-r1.org/images/VHF/newsletters/Newsletter_67.pdf 68 Edycja 6 grudzień 2015r. http://www.iaru-r1.org/images/VHF/newsletters/Newsletter_68.pdf |