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Bob is a charter member and past president of the Minnesota Astronomical Society . He founded the MAS Seti Group. He is also into Amateur (HAM) Radio (callsign N0QBJ). He is the Amateur Radio TCP/IP Address Coordinator for the State of Minnesota and has served on the board of the Twinslan Amateur Radio Club. 

Bob's computer experience goes back to the final days of TTY 33's, Sperry1004's, Card Punches and Cyber Mainframes. His first micro was a Radio Shack Model 1 with 12k level 2 FP basic and 4k of ram. He progressed from there to a Tandy Color Computer(CoCo, 6809 based) and discovered his first real multitasking micro based operating system OS9. He still ocassionally programs for OS9, especially device drivers but spends more time on Unix. The SVR4 variant known as Esix occupied much of his time and he used it to co-create the core of the Oninternet server.

Lately he's been spending the majority of his time and efforts on: 
Debian PPC gnu/linux  and  Yellow Dog Linux  (on the iMac and 7200/7500/S900/9600) 

He also has worked (and played) with:
NetBSD (on 68040 based Performa 575) 
Debian  MacLinux (also on the Performa) 
Slackware Linux (on our amprnet-internet gateways) 

He uses these variants at work:
Debian Linux (on Intel x86, general purpose servers) 
Ubuntu Linux (on AMD64, general purpose servers) 
Mac OSX best unix based desktop IMO and 
AIX ( 5.2.x on a extreme, cool box for the corporate web server)