Whence the nighttime interference on 1030?

[Ron Bello]

WBZ is directional
A simple, 2 tower, cardioid pattern aimed west
Has been since moving transmitter to Hull from Millis

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On Wed, Feb 13, 2019 at 4:13 PM Doug Drown <ashboy1951@gmail.com> wrote:

> I live on the upper midcoast of Maine, where WBZ's daytime signal comes in
> like gang busters --- absolutely crystal clear, no hiss or interference, as
> though the transmitter were just down the road.  One the sun sets, however,
> it deteriorates rapidly, especially at this time of year.  What is/are the
> station(s) I'm hearing on 1030 kHz?  They seem to interfere with one
> another, such that I can't make anything out plainly.  Am I correct in
> thinking that 'BZ's signal is nondirectional?  If so, the presence of these
> other stations' signals surprises me.
>