1. Pacific Antenna End Fed Half Wave SOTA Tuner for 40m-15m - http://www.qrpkits.com/files/SOTA4015_20190619.pdf
2. DXCC Most Wanted List - https://secure.clublog.org/mostwanted.php
3. Speech Processor - http://sm0vpo.altervista.org/audio/mic_processor.htm
4. RS-UV3A VHF/UHF 3 Band 1/4W FM Transceiver - https://sites.google.com/site/hobbypcbrsuv3awiki
5. UR3QQC: Satcom. full list of frequencies for satellites. Полный список частот на Satcom - https://www.youtube.com/watch?v=9F-T6u0rpHk
