1. Antennas for Field Day (Антени для Дня поля) - https://practicalantennas.com/applications/portable/fieldday/
** A Beginner’s Guide to Field Day (Посібник для початківців на День поля) - https://practicalantennas.com/applications/portable/fieldday/fd-beginners/
2. FT8 vs CW and SSB - https://f5npv.wordpress.com/2023/10/08/ft8-vs-cw-and-ssb/
http://www.ur5ffr.com/viewtopic.php?t=169
3. RUMlogNG version 5.15.2 released - https://machamradio.com/blog/2024/01/19/rumlogng-version-5-15-2-released/
4. World Radio History (архів старих журналів) - https://www. https://www.worldradiohistory.com/index.htm.com/index.htm
5. Питання на NanoVFO 3 - http://www.ur5ffr.com/viewtopic.php?t=281&start=190
73 de UT2AB
