1. “The joy of QRP isn’t in being heard; it’s in how you were heard.” Forty-9er clones. («Радість QRP не в тому, щоб тебе почули, а в тому, як тебе почули».) - https://cwqrpblog.wordpress.com/2025/12/10/what-another-49er/
2. LAZY FOOT ANTENNA - https://www.qsl.net/pa2ohh/25lfoot.htm
https://www.qsl.net/pa2ohh/25lfootantdiagram.png
3. K4SWL Antenna Plus - https://kk4z.com/2022/06/05/k4swl-antenna-plus/
4. Preselector 10Khz-600 Khz - https://www.on8im.be/en/a-10khz-600-khz-preselector.html
5. PKW THF1E ROTATABLE Dipole/verticaal (2021) - https://pd0g.com/2025/03/06/pkw-thf1e-rotatable-dipole/
** Balun - https://pd0g.com/2024/01/14/balun/
73 de UT2AB
