<Dd> ATSC digital television, commonly on VHF or UHF </Dd> <Dl> <Dt> G7W </Dt> <Dd> DVB - T, ISDB - T, or DTMB digital television, commonly on VHF or UHF </Dd> </Dl> <Dd> DVB - T, ISDB - T, or DTMB digital television, commonly on VHF or UHF </Dd> <Dl> <Dt> A3E </Dt> <Dd> AM speech communication--used for aeronautical communications </Dd> </Dl>

Which class of emission is used for vhf dsc transmissions