1. FX-4CR Transceiver - https://bg2fx.com/fx-4cr-transceiver
2. UY5XE: Про українських спортсменів з "Прийому та передачі радіограм" - http://uarl.org.ua/index.php/statti/1037-pro-ukrajinskikh-sportsmeniv-z-prijomu-ta-peredachi-radiogram
3. SatGazer- Track the satellites that orbit the earth (Mac Ham Radio) - https://www.machamradio.com/blog/2023/03/19/satgazer-track-the-satellites-that-orbit-the-earth/
4. End fed half wave antenna 40/30/20m - https://www.egloff.eu/index.php?option=com_content&view=article&id=214&Itemid=1733&lang=en
5. QRA locator map updated - https://www.egloff.eu/qralocator/
** K3NG Winkeyer - https://www.egloff.eu/index.php?option=com_content&view=article&id=272:k3ng-winkeyer&catid=26&Itemid=635&lang=en
