[TenTec] A Look at NR

[Grant Youngman]

> Bandpass filtering action is obvious from spectrograms.
> NR forms a bandpass filter around signal.
> The bandwidth can be estimated to 500 Hz.

There is no bandpass filtering action on 2.032 with a steady state signal.
That's also obvious from the spectrograms.  Some high frequency rolloff, and
that's it.  

Is there some reason it would show up with a keyed signal and not a steady
state carrier?  Doesn't seem that should be the case.

Grant/NQ5T