Currently in the Memphis area the TACN is mostly P25 Phase 1 (THP, TWRA, TDOT, ECT) THP Dispatch 1 is in the clear OPS 1 is in the clear DISPATCH 2 and OS 2 are BOTH PHASE 2 WITH FULLTIME ENCRYPTION. I use a pro 197 , pro 106 , pro 18 , pro 668 , Uniden 996P2, Uniden 436, Uniden 536, Whistler TRX-1 and Whistler TRX-2