1. QRP - K4ICY's Low-Power Station - http://www.k4icy.com/qrp.html

2. The iKeyPad (для ICOM) - https://www.zl2al.com/3367/the-ikeypad/

3. Raspberry Pi APRS Tracker - https://www.florian-wolters.de/posts/raspberry-pi-aprs-tracker/

4. Yaesu FT-710 review (Endre "HA8CSY") - https://www.anico-hamshop.eu/yaesu-ft-710-ha8csy

5. BktTimeSyncPhone (BktTimeSyncPhone синхронізує час ПК за допомогою GPS смартфона, підключеного через Bluetooth) - https://www.maniaradio.it/en/bkttimesyncphone.html

73 de UT2AB