http://hamwan.org/

http://ohiopacket.org/index.php/TCP/IP_Information http://ohiopacket.org/index.php/Main_Page

https://www.febo.com/packet/linux-ax25/index.html

http://www.broadband-hamnet.org/

https://www.arednmesh.org/

http://oemcomm.org/ham-mesh-network-primer/ http://oemcomm.org/

https://hvdnnotebook.blogspot.com/search?q=digital+voice