At the moment: SOPS 1 is troopers with the team buses; SOPS 2 is troopers working downtown; and SOPS 3 is a patch to BPD 1. Usually, if BAPERN 4 is used, it is for patch to BPD or SOPS for use by non-BPD PDs. So far, I haven't recognized any non-BPD traffic.