You are correct that 65001-65200 are system assigned IDs that will pop up when dispatching F/R and BOLs for LE. The F/R side of things are dispatched in a stack which includes Dispatch TG, a page TG and an analog page. When you heard them talking about Glasgow 1, that was early on before some of the analog repeaters were taken off line, particularly a mountain search and rescue. I remember that call. Currently, the only analog repeaters in service are the North, Brushy, and South repeaters.
Dispatch now only gives the helos Brushy (old Brushy 1 analog) to patch 8102 into whatever TG the landing zone coordination is occurring on. We’re still working on getting their radios connected into our system directly, so in the meantime, that’s the way it will be.
Originally, all tech rescue was slated to use Spec Ops 1, as was the helos, but it really hasn’t happened that way so the dispatcher typically just assigns Ops 2-6.
Currently, Ops1 is only for working or assigned structure fires, Ops2 is for EMS, and Ops3 is for single resource incidents like MVCs, trees down, fire alarms, etc. In the portable radios Ops1 is in channel 1 and 16 for fireground safety. All the other apps TG are assigned at the dispatchers discretion to offset the load from a single TG.