I dont like to share to much about what I hear, in this digital age, discussing police communication gives more ammo for the arguement of encryption in the future.
However with that said, I seem to be able to track most of what I used to track with ease after a few weeks of just observing all talkgroup traffic. Its just a matter of listening to different talk groups and figuring out what your hearing, its not clear cut as it used to be with simple callsigns matching the specific district and talkgroups, but for now I make due just fine. The CPS hasnt disclosed any new district zoning or provided any reasoning for the new callsign and radio useage publically, and I dont any of us would expect them to ever do so. Im not sure who creates/updates the database, but it can be noted that things have certainally changed. And I wish them good luck!
I dont think SR has anything to do with school resource, just one of many specialized units with their own callsign perhaps.
Im in the north and heres an example of what callsigns Ive been hearing
Norco
Northland
November
Tango (used before the changes as well)
Tango-November
PR
I am still hearing the odd "old unit number" up in the north. However when I tune in to action in the south, it seems that the old callsigns seem to still be intact, however citywide, the talkgroups certainlly have changed at least.