1. XIEGU G106 SDR HF TRANSCEIVER / 5W QRP RADIO - https://www.radioddity.com/products/xiegu-g106
2. Alternative Radio Power QRP SSB 5w / Iowa (при перегляді можливе використання перекладача субтитрів) - https://www.youtube.com/watch?v=_N-V61GRX6I&t=4s
3. The new Alinco DJ-X100 wideband receiver - https://swling.com/blog/2022/08/the-new-alinco-dj-x100-wideband-receiver/
4. Sweeper: An Arduino SWR Scanner Alan Biocca, W6AKB - http://hamradioprojects.com/authors/w6akb/+sweeper/
5. US1PM: Easy QTH Locator - https://play.google.com/store/apps/details?id=com.us1pm.easyqthlocator
** Ham QTH Locator - https://play.google.com/store/apps/details?id=b4a.wwlocator
** QTH locator toolkit HAM radio - https://play.google.com/store/apps/details?id=hr.resetit.QTHLocator