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AM signals at the shore

R

RockIntern

Guest
With the exception of WOBM and WADB and the late great WSLT, all the AM signals are Omni directional since day one. Why is this, would it make more sense to have directional AM signals due to the fact the signal is wasted going out to sea. I would think a few towers and a W/N/S pattern should be in place to save wattage and get a better signal in fringe areas. Why are most of the AM signals at the Jersey Shore Omni directional.
 
The stations along the coast were put on as "Class IV" facilities, which were all 250 watts, non-directional, later 1000 watts. They are meant to serve a local community. The added complexity and expense of multiple towers (needing more property) would not have, and would still, not be desirable. The signal contours would have to be the same as they are now, so there would be no benefit. The problem with AM is not the transmitters, it's all the noise in the air. A few weeks ago, one of the local stations took a bad lightning hit, and while driving to the site, the noise even a few miles from the tower was amazingly high.
 
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