WB4APR

1960s -- Playing with radio, xtal sets, Tubed CB sets and converted car radios
1963 -- Novice: WN4APR with ARC-5 Command sets on 40/80m
1973 -- Playing with VHF FM in Japan and building radios
1975 -- Wrote first RTTY BBS, later added phone, then RF ASCII
1978 -- Worked with AMRAD group developing AX.25 in USA
1982 -- wrote first data map program plotting navy ship positions on APPLE2 in Japan.
1983 -- wrote VIC-20 VHF/HF BBS and Gateway and defined 200 Hz shift due to development of mods to dozens of surplus VADCG bell 103 modems with cross-county links to W0RPK, W9TD, and K7PYK on 10.149 MHz. Remained on the air 5 years through 1989 under the FCC STA for automatic packet HF operations. Developed larger system on the Commodore C-64 for BBS's used around the world through the 90's.
1984 -- Developed CETS (Connectionless Emergency Traffic System) on Vic-20 and C-64 for digital packet comms in support of 100 mile cross country endurence run for AMRAD.
1986 or so -- used CETS for amateur packet radio support of the FEMA National Disaster Medical System exercises in DC area.
1988 or so -- ported CETS over to the new IBM AT PC and began to add maps and position plotting of stations.
1990 or so -- Began hand making maps of the USA for CETWS use.
1992 -- Changed name of CETS to APRS and presented paper at DCC in Teaneck NJ where I first met Sproul Brothers who later wrote Mac and WinAPRS.
1994 -- Developed MIM Module with N3MIM and Mic-E protocol. Proposed WIDEn-N digipeating
1996 or so -- worked with TAPR to produce Mic-Encoder and Paccomm to indroduce callsign-substitution RELAY, WIDE, TRACE digipeating
1998 -- Worked with Kantronics to introduced WIDEn-N digipeating and Kenwood to introduce the TH-D7 APRS walkie Talkie
2000 -- Kenwood introduced the D700 APRS mobile radio
2001 -- Introduced APRS touch-tone, APRS reporting of IRLP and Echolink. Developed PCSAT-1.
2004 -- Began the New-N Paradigm to rid APRS of all old legacy digipeating algorithms and focuse on user education for one standard
2005 -- Began initiative to include operating Frequency in all packets.
2006 -- Developed PCSAT-2 to fly on outside of ISS
2007 -- Developed ANDE, RAFT and MARScom amateur satellites for deployment by Space Shuttle
2008 -- Yaesu introduced the VX-8R APRS walkie-Talkie.
2008 -- Introduced the Universal Ham Radio Text Messaging Initiative to tie together the two-dozen or more existing amateur radio text messaging capabilities.