I planning to camp around Red Rock Dam I trying to find Fraq for Elk Rock State Park or United States Army Corps of Engineers Park Rangers. I found on Racom Army Corps of Engineers Saylorville Lake Rangers but it coming off Des Moines [Polk IA] site 1101 tower
niteOwl, try the DNR freq. of 159.4050, 159.4500,159.3600, 151.3550, and 155.5950. Talk group 1801 is correct for the Saylorville rangers, but you would have to enter the RACOM site for them. Mike