Iowa State Fair Polk County (IA)
From The RadioReference Wiki
8/13/2011 - it seems that the analog Motorola system is no longer in use. They have switched to an unidentified digital system.
The Electronic Engineering TRS 8A32 has some fair traffic on it
DMPD is using Channel 4 (460.400-203.5 PL) for traffic cars and officers in the fair area. DMFD/EMS is using TAC 7 (453.925-131.8 PL) for medical calls on/around the fair State Patrol has a repeater on 453.950 (192.8 PL) for troopers in the fairgrounds.