the fdny article at wikipedia has lots of info about the Communications system now it basically focuses on the calltakers and PSAPs and decision dispatchers and 10 codes and Class 3 boxes etc almost no info about the radios - but we can fix that - 1 UHF fire dispatch channel per Boro - plus 2 citywide fire channels for backup - plus approx 10 uhf fireground channels with 1 channel carrying 99% of the HT traffic - there also might be some subway repeaters and some highrise repeaters - not really sure about that FDNY EMS basically works the same way except they have 2 to ? 5 ? uhf dispatch channels per boro - pretty sure that they move any major ems call to a 'situations' channel - iirc there is 1 short range channel paired with each of the 2 dozen dispatch channels ======================= the basic info applies nationwide - a calltaker inputs info into the CAD - the CAD recommends who to send - the 'dispatcher' then sends the units to the scene (one way or another - usually via radio messages or MDT messages or pagers or smoke signals etc) the system is not 100% computers talking to computers yet - but its getting close
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