Port Huron Police & County Sheriff dispatch.
Also has some State Police & Fire Dispatch as well.
alpha tags seem to be broken for now.
All of the channels are part of MPSCS. 08dc Central 9-1-1 Police: Dispatch 0851 Central 9-1-1 Police: Law Enforcement 1 0ab9 Central 9-1-1 Police: Law Enforcement 2 0abc Sheriff: Marine Rescue 0abd Sheriff: Marine Division 0a86 Central 9-1-1 Fire Dispatch 2f7a Port Huron Police Dispatch 0ab3 Port Huron Police Secondary 04db State Police Thumb Region: Dispatch (Posts 33, 34, 35) 07d7 State Police Metro Post 21: North Dispatch 2f79 PH Fire Dispatch Ch-1 0909 Macomb County 9-1-1 Central Dispatch Location in Port Huron, MI. Broadcast equipment: RTL-SDR on Ubuntu Linux with sdrtrunk decoding the digital signal.