Note: The ARRL publishes several books that cover packet radio: Your Gateway to Packet Radio AX.25 Link Layer Protocol Computer Networking Conference Papers 1980 September QST p. 11 ASCII, Baudot and the Radio Amateur 1981 April QST p. 27 First Packet Repeater Operational in US October QST p. 28 The Making of an Amateur Packet-Radio Network 1983 July QST p. 20 A Serial ASCII/Baudot Character 4 pages You Can Build October QST p. 32 Build an Amateur Radio Modem 5 pages 1984 Decmeber QST p. 35 ARRL Board Approves AX.25 Packet-Radio 2 pages Link-Level Protocol 1985 July QST p. 14 What's All This Racket About Packet? 4 pages August QST p. 17 A Closer Look at Packet Radio 4 pages 1987 March QST p. 17 The Shopper's Guide to Packet-Radio 5 pages TNCs QST p. 29 The OMNI-Shift Tuner - A Comprehensive 5 pages Tuning System for HF Packet/AMTOR/RTTY September QEX p. 3 The TAPR PSK MODEM 6 pages October QST p. 27 Amateur Radio and the Blind-Part 1 5 pages QST p. 38 ASCII Text File Manuals for Kantronics 2 pages and AEA November QST p. 28 Amateur Radio and the Blind-Part 2 5 pages QST p. 15 A Packet Terminal for Atari Computers 3 pages December QST p. 28 Amateur Radio and the Blind-Part 3 4 pages 1988 February QST p. 26 Passport to Communications for the 4 pages Blind (Braille reader for Packet) April QST p. 19 From TUs to Communications Processors July QST p. 28 A Simple Tuning Indicator 1991 January QST p. 20 Packet Hardware for Beginners