1. The ultimate guide to your Yaesu FT-817ND radio (Повний посібник із вашого радіо Yaesu FT-817ND) - https://oe5lxr.at/yaesu-ft-817nd-ultimate-guide/
** Yaesu FT-818 Beginner's Guide - https://forums.qrz.com/index.php?threads/yaesu-ft-818-beginners-guide.855234/
** FT-818 cheat sheet - https://media.sm7iun.se/2021/05/FT-817-Cheat-Sheet.pdf
2. DK7IH QRP Shop - https://dk7ih.de/dk7ih-qrp-shop-welcome/
3. Master Files (May 2, 2023) - https://www.supercheckpartial.com/
4. HamDXMap (v3) - https://dxmap.f5uii.net/
5. Ham365 DX Peditions Calendar - https://www.ham365.net/Dxpeditions