1. ARJAN-5 (5 Band SSB/AM/CW HF Transceiver) - https://github.com/kaefe64/Arduino_uSDX_Pico_FFT_Proj
2. Дволамповий приймач US5MSQ - http://www.qrzua.club/viewtopic.php?p=2072&sid=3ee37a17fab8f8df163aaeae09c95af9#p2072
3. Magazine de Radio #118 - https://drive.google.com/file/d/1xuSTeovBKmlHqPR2rI7obafxPP4AZO90/view
4. Amateur Ham Radio Programming Software / Manuals (Програмне забезпечення/посібники для аматорського радіо) - https://www.fleetwooddp.com/collections/programming-software-manuals
5. Homebrew uSDX SDR TRX - https://f5npv.wordpress.com/homebrew-usdx/?fbclid=IwAR0aHiXi0-XRNCRy4KGnFDvscJa72OKrKb3MTplfQT79AyqVf-lqhkm1GBg
73 de UT2AB