W9CR info site
This is a small collection of stuff about hacking various radios. Right now it's mostly about the Quantar series of radios.
There is some information on the Uniden MRS904 repeater converting it for amateur use.
Motorola HT1250ls 220 modifications.
Hamtronics 220 repeater notes
Telewave antenna patterns for radio mobile.
XTS 2500 notes on programing for the 900 MHz Ham band.
XTL Radio info on the XTL 2500/5000 mobile radios
EF_Johnson some notes and programing info on the EF Johnson 5100 and 5300 radios
Yaesu FT-51 Info on modification and service manual