1. QRP lifestyle - https://www.youtube.com/channel/UCHSap2l_d5Tb8K8viwc9XwQ/videos
2. FT8x7 OptoCAT - http://www.hamlan.org/tech/ft8x7optocat/ft8x7optocat.htm
3. CAT & audio interface version 3 (by PA5CA) - http://www.pa5ca.com/pa6z/PROJECTS/INTERFACE_v3/interface_v3.html
4. GBCAT – Computer Aided Transceiver, v1.4 - https://www.9a2gb.net/download-gbcat-computer-aided-transceiver/
** GBCAT – Remote control scenario “how to” - https://www.9a2gb.net/gbcat-remote-control-scenario-how-to-p/
5. По следам одной радиолюбительской легенды (Георгий Члиянц (UY5XE)) - https://deltaclub.org.ua/bibliteka/po-sledam-odnoj-radiolyubitelskoj-legendy.html
