frequency band radio

hi im trying to get DSDplus to decode MPT 1327 ive got the audio sources sorted and working it is receiving audio from SDR SHARP and it has selected the correct audio channels but it isn't doing anything anyone have any advice ? thanks

Slt depuis quelques temps jai remarqué que les pompiers on changer de fréquence car jai passé par hasard a un incendie et il avais la fréquence de la caserne et une fréquence entre les pompiers et je ne captais rien sur le scanner pourtant je les attendait parler sur leur haut-parleur du camion...

I'm trying to get a business radio license but want to know which frequency/band would be efficient for an area like Long Island, New York. Should I be looking in 148-172, 400-420, or above 450 MHz? I want to get strong signals while working inside houses, and still get a decent range out of the...