[CraigJPerry]

The thing that never fails to impress me is when an old timer ham copies a signal that's basically right on the noise floor when all i can hear is static. There was an old chap at the radio club i went to and he just had incredibly well tuned hearing. Felt almost superhuman

[Aloha]

I've always called this radio or dispatcher ear.

You see it in industry that uses radio too.