Ok, I deprecated the old Motorola trunk system.
I had a chance to run DSD+ against the new CAP+ TRS. It is full time encryption on all talk groups.
I sat for an hour in the cell phone lot and worked out four of the LCNs for the new TRS. There's a couple more, so if someone wants to figure out LCN 03 and LCN 04, groovy.
During that hour I heard, snippets of conversation in the clear, four times. Nowhere near enough to identify talkgroups.
Suffice it to say, AA ground ops at Phoenix/Sky Harbour are gone for all intents and purposes.