Radio Channel Plan
Base Mobile Description
463.0000 468.0000 MED-1 mobile/base
463.0250 468.0250 MED-2 Ambulance
463.0500 468.0500 MED-3 Ambulance
463.0750 468.0750 MED-4 Ambulance
463.1000 468.1000 MED-5 Ambulance
463.1250 468.1250 MED-6 Ambulance
463.1500 468.1500 MED-7 Ambulance
463.1750 468.1750 MED-8 Ambulance
462.9500 467.9500 MED-9 mobile/base, paging
462.9750 467.9750 MED-10 mobile/base, paging
  155.3400 HEAR
  460.5250 Inter/Intra-system
  460.5500 Inter/Intra-system
Additional channel allocations have been made for each 0.00625 and 0.0125 MHz (6.25 and 12.5 kHz) intermediate frequencies above each of the above channels. These narrow-band channels are designated, for example, as:

462.95000: MED-9
462.95625: MED-91
462.96250: MED-92
462.96875: MED-93

HEAR (Hospital Emergency Alert Radio) is a nationwide standard set of base and mobile frequencies for communication between ambulances and hospitals so that paramedics can give vital information about the patient to doctors at the hospital and so the doctors can give the paramedics instruction.

Ambulances broadcast 5Mhz above the base frequency. Med-1 thru Med-8 is assigned as a block and any channel may be used. Med-9 and Med-10 may be used for dispatch. Inter/Intra-system w/ Police & Fire

Medcom
Description Frequency Tone
Ch 1 463.5750 127.3
Ch 2 464.6500 103.5

Medcom (LTR System)
LCN01=451.3500
LCN03=451.5000
LCN07=454.2000
LCN10=462.2250
LCN11=462.2500 Home Repeater
LCN12=462.2750
LCN15=463.5000
LCN18=463.8750
LCN20=464.9000
Description Talkgroup  
Medcom Ambulance Ch 15 111094  

Medcom (LTR System)
LCN08=463.2250 Home Repeater
LCN16=463.9250
Description Talkgroup  
Medcom Ambulance Ch 21 008094  

Special thanks to Robert Eisner for contributing information