1. An inline rf step attenuator for QRPP work (кроковий атенюатор для роботи QRPP) - https://aa7ee.wordpress.com/2024/04/05/an-inline-rf-step-attenuator-for-qrpp-work/
2. I7GL Amateur Radio Newsletter #0003 - 5th Apr 2024 - https://ei7gl.blogspot.com/2024/04/ei7gl-amateur-radio-newsletter-0003-5th.html
3. Zero Retries #0146 - https://www.zeroretries.org/
4. TAPR PSR #157 Spring 2024 - https://tapr.org/tapr-file-archive/
5. DL2KQ: Short 3 element Uda-Yagi 50 MHz - http://dl2kq.de/ant/3-133.htm
73 de UT2AB
