This feed not only provides backup to a couple other feeds, but includes a larger area, rather than a small area. 

154.7475  Macoupin Co Fire/EMS
151.2125  Macoupin Co Sheriff
154.785  Macoupin Co Law / Local Government
151.1975  Brighton Fire  (Doesn't currently pick this up, not powerful enough)
156.2175  Jersey Co Law (Doesn't currently pick this up, not powerful enough)
155.805  Jersey Co Fire  (Doesn't currently pick this up, not powerful enough)
152.4275  Jersey Co EMS (Doesn't currently pick this up, not powerful enough)
151.31  QEM Fire/Rescue  (Doesn't currently pick this up, not powerful enough)
464.825  Alton Memorial EMS
154.385  Alton Fire/EMS
154.43  Madison Co Fire North 
154.175  Edwardsvillle Fire/EMS
155.5275  Highland Fire/EMS 
154.25  Glen Carbon/Maryville/Troy Fire/EMS
155.655  Mitchell Fire/Rescue
151.0025  Long Lake Fire
155.88  Madison/Venice Fire 
154.145  Wood River/Roxana/S Roxana/Hartford Fire 
151.490  Bethalto Fire

155.055  IREACH 
155.475  ISPERN 
154.265  Fire Mutual Aid 
155.205  Search and Rescue Mutual Aid 

151.505  AirEvac Madison Co IL
153.095  AirEvac O'Fallon MO
153.080  AirEvac Troy MO  (Doesn't currently pick this up, not powerful enough)
158.400  AirEvac Bond Co IL (Doesn't currently pick this up, not powerful enough)
467.075  ARCH Helicopter-Litchfield input
461.525  ARCH Helicopter-St Louis
467.950  AMR Abbott EMS input

155.460  ISP VHF Backup
154.665  ISP VHF Troop 8 Backup
155.445  ISP VHF Troop 8 Backup

123.050  Air-to-Air Helo Interop
123.025  Air-to-Air Helo St Louis