Routine dispatch and fireground ops are all on the UHF conventional channels, primarily on 1/Dispatch, 3, 4, and 5. Everything else is for admin/back channel talk, training, or special events. 1960 Fireground is routinely used for fireground at major incidents and Lifeflight landings, but since it's a simplex channel you won't hear much unless you're nearby.
EMS supervisors and district chiefs have multiple radios in their trucks for interop with surrounding agencies at mutual aid events.
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