1. CQMM DX CONTEST (April 16-17) - http://www.cqmmdx.com/
2. I5MZY 13 Element Yagi for 2 Meters Band - https://www.iw5edi.com/ham-radio/5385/i5mzy-13-element-yagi-for-2-meters-band
3. IARU Region 3 Newsletter (Issue 61– Q4 2021, Released January 2022) - https://www.iaru-r3.org/wp-content/uploads/2022/02/The-IARU-Region-3-Newsletter-61_Q1_2022_V3.pdf
4. 144 Mhz EME Basics (Основи EME 144 МГц) - https://k7xc.tripod.com/id19.html
5. DL2KQ: GP 3,5/7 MHz без переключений - http://dl2kq.de/ant/3-131.htm