1. 10 bands, 10 watts – A compact multiband SSB transceiver for all high frequency bands from 160 to 10 meters - https://dk7ih.de/10-bands-10-watts-a-compact-multiband-ssb-transceiver-for-all-high-frequency-bands-from-160-to-10-meters/
2. VFO System by JF3HZB - https://www.pcbway.com/project/shareproject/VFO_System_by_JF3HZB_5d8de5f2.html
** VFO-1.8-Inch-Retro-scale - https://github.com/RSZ-Nld/VFO-1.8-Inch-Retro-scale
3. Setup Packetradio on a Raspberry - https://hb1bbs.com/Packetradio-on-a-Raspberry/
4. The WA7X Beacon - The Cycloid Dipole - http://www.wa7x.com/cycloid_info.html
5. Review of the 7-band AWK Cobweb antenna 2021 - https://www.pa9x.com/review-of-the-7-band-awk-cobweb-antenna/