Quick facts about "packet radio"

Quick facts about "packet radio".

• 1. Originally developed in the late 1970s.
• 2. It's an example of a "store-and-forward" network.
• 3. The underlying protocol AX.25 is an adaptation of the old X.25 protocol. ( compare it to the Internet's TCP/IP )
• 4. A TNC connects between your radio and computer. Think of it as a cross between a modem and an Ethernet card.
• 5. Digipeaters receive weak packet and re-transmit it for others to hear.
• 6. A 'node' is a more intelligent digipeater.
• 7. Some TNC firmware contain a small BBS where messages can be left.
• 8. You can leave a message in a distant friend's BBS by using digipeaters and nodes.
• 9. There are still full-service BBSes out there with forums, chat and file transfer capability.
• 10. You can leverage packet radio's infrastructure to communicate with your project at a distance.