1. DIY Shortened Vertical Antenna - https://4x5mg.net/2019/04/29/shortened-vertical-antenna/
2. Моделювання зони покриття ретренслятора (Андрiй UR5RFF) - https://gosh-radist.blogspot.com/2024/10/blog-post_7.html?m=0
3. SARC Communicator (November – December 2024) - https://drive.google.com/file/d/1-mzOYnd-TZ9crksv1Hnd3aP3Wz0Rkfaj/view?usp=sharing
4. End Fed antenne - http://www.pa4mic.nl/zelfbouw/end-fed-antenne/
5. 1:1 Current Balun - https://www.vk3bq.com/2014/09/24/11-current-balun/
** Choke balun - https://officinahf.jimdofree.com/balun-unun-toroidi/choke/
73 de UT2AB
