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WBGO's Signal

B

Barry

It has always been frustrating trying to hear WBGO, Jazz 88, in southern Westchester County. I was hopeful the signal would improve when they switched last year from a transmitter site in NJ, to midtown Manhattan. But there was no noticeable difference in that area.
What I find strange is that traveling on I95 through the Bronx, the signal is fine. But only about a mile north into Westchester county, the signal abruptly deteriorates sharply, and becomes tough to pull in :-[. I am not aware of any other station in the area which has a signal which changes so drastically just north of NYC.
Does anyone know why this happens with WBGO? Might this be related to a need to suppress their signal in a northeast direction to protect other stations?
 
The signal is pretty directional from 4TS. Pulled in tight to the north and east.
Plus you have WEDW-FM on 88.5 in Stamford, CT

I could see these factors being an issue.
 
From the FCC's website, we see that WBGO's signal is down from 2½ kilowatts ERP to 735 watts ERP to the ENE:

0° 1.000 60° 0.298 120° 0.584 180° 0.731 240° 1.000 300° 0.677
10° 0.959 70° 0.294 130° 0.735 190° 0.821 250° 1.000 310° 0.737
20° 0.573 80° 0.310 140° 1.000 200° 0.931 260° 1.000 320° 0.860
30° 0.459 90° 0.345 150° 1.000 210° 1.000 270° 1.000 330° 1.000
40° 0.374 100° 0.387 160° 1.000 220° 1.000 280° 0.830 340° 1.000
50° 0.330 110° 0.464 170° 0.925 230° 1.000 290° 0.713 350° 1.000
 
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