I guarantee you are listening to an image of a higher frequency in 450 - 470 MHz, and the audio cut off before the last character finished transmitting, because nothing in ULS has that call sign structure. You are not hearing anything that is transmitting on 416.9 MHz. 416.9 MHz is an NTIA asset and is not controlled by the FCC (although the FCC will act on someone transmitting there if they are unauthorized).
OP already admited that was a typo and he meant 461.900