new talkgroup

Hello, I monitor the City of Ottawa's P25 Phase 2 system, and I have ID Search: On. Since about a week ago, I've been receiving tranmsissions from an unknown talkgroup, specifically tgid 1516. Based on the traffic, it appears to be Transit Constables, or some sort of security related to OC...

This Memorial Day weekend I've been hearing communications for what I believe to be an exercise or perhaps a special event related to the holiday on Arlington talkgroup 235 decimal. They just did a roll call and some of the units were named Command Bus, UTV161, UTV503, etc. and I also heard...