Today, I discovered a new P25 system operating in SLC, Utah.
So far, Unitrunker found three freqs
406.7625 CC, 407.1625 407.5625 (US Govt Band)
These are some of the freqs of the (now silent) 6227 site 4.
My PSR500 is getting a 99% decode at my home in Kearns.
The display shows: