Amateur HF digital communications has had a spectacular evolution in the past 10 years alone. In this section of the PCARC web pages you will find links to a variety of aspects relating to HF and VHF/UHF digital communications.

• Introducing Echolink
• Local Echolink Information
• About Digital Ham Radio (by Murray Greenman ZL1BPU - educational introduction to digital Ham Radio)
• IRLP (Internet Radio Linking Project)
• Introduction to Packet Radio By Larry Kenney, WB9LOZ
• Packet Radio Training Course (From The Ventura County ARES AREA 6 Training Group)