650 AM All Digital

[Rob Landry]

On Thu, 2 Dec 2021, John Andrews wrote:

> No HD receiver here, but by ear on a car radio near Worcester, it is nicely 
> respecting WFAN on 660. A look with an SDR at 650 doesn't provide much of a 
> signal, but the BW is pretty much confined to +/- 5 kHz. That's a lot 
> prettier than the "old" IBOC signals.

The MA-3 mode seeems to be less obnoxious in terms of interference than 
the MA-1 (hybrid) mode. Alex Langer's WZBR (1410 in Hyde Park, but 
licensed to Dedham) used to get plastered by 1430 in Medford when it was 
running HD.


Rob