http://me-portland.civicplus.com/AgendaCenter/ViewFile/Item/468?fileID=2449 - or here - https://sites.google.com/site/portlandmainepublicsafety/home/portland-trs-study-2013
2013 study
they started with 2 sites in 1999 - added a 3rd site approx 2003 - now
want a 4th site - and the FD wants to have VRS on more than 1 channel
VRS = vehicle repeater system
apparently the cops dont really care if their radios work inside large
buildings - interesting