I've been visiting my brother in bartlesville for a few days. While visiting I've listened to the PD and from what I can tell a trunk system would never work. Half the time officers hand held are almost impossible to hear because of the signal to the repeater. There main repeater is on top of a hill next to a water tank.
If engineered correctly, a trunk system will work.
The latest rumor that I heard was a 2-3 site simulcast system. But this is just rumor since AFAIK, no vendor has been selected for the project yet.
Once the vendor has been selected, then the RF engineering can begin.
The current analog system consists of two repeaters.
The main repeater is on top of the Adams building downtown, and has been there for better part of 40 years. This is the main repeater.
There is an BPD East repeater as well that covers the east side of town. I believe that this one is on the water tower out on Bison road near the industrial park.
Same output, different input and PL's for both repeaters.
If one or both repeaters went down, dispatch can hear the officers from their tower at the Washington County Jail.