Most likely the MT500.
I think around that timeframe they were switching over to the HT1000.
Railroad Forums
Most likely the MT500.
I think around that timeframe they were switching over to the HT1000.
Most of the time it isn't the radio but rather the radio operator! With the "clean cab" radios, they use a front panel area microphone and if the operator isn't looking at the face of the radio (looking out the window) the transmit audio will suffer greatly. The audio compressor opens up t...