Terminal node controller
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A terminal node controller is a device used by amateur radio operators to participate in AX.25 packet radio networks. It is similar in function to the packet assembler/disassemblers used on X.25 netwo
AEA (Advanced Electronic Applications Inc.) PK-232MBX, circa 1991
The Kantronics 9612+ was implemented around an 8-bit Motorola microcontroller.
Automatic Packet Reporting System is an amateur radio-based system for real time digital communications of information of immediate value in the local area. Data can include object Global Positioning
Terminal node controller
…automated bulletin board or e-mail system. Since the late 1990s, most AX.25 usage has shifted to a different one-to-many communication paradigm with the Automatic Packet Reporting System (APRS). The TNCs of the 1980s and 1990s were complete solutions that only needed a radio and an optional dumb terminal. As home computers made their…
APRS beacon transmitter with GPS receiver.