[EAS] Targeted FM Alerts
Tom Taggart
tpt at literock93r.com
Thu Dec 6 19:10:26 CST 2012
This concept involves feeding separate spots to a group of
FM boosters. Besides the minor problem that you can't do
this under present FCC rules, there is the bigger problem of
getting the boosters to work at all. One story I saw
proposed such a system for a flat-land city--where boosters
just would not work well.
I've had a booster--and fought with it, for many years. It
only works because the town it covers is in a deep river
valley, providing effective shielding from the primary
station's signal. Now, since I feed the booster by STL, I
could, conceivably, feed separate EAS alerts to this
booster. But what is the point?
How about a concrete example? This town is in the Ohio
valley, there is a two-lane bridge across the river at this
point--the only bridge for 25 miles in either direction. Say
a propane truck overturns on this bridge--blocking traffic
(potentially) for many hours. Sure one could micro-target
alerts by just running them on the booster--but with plants
on both sides of the river, and folks commuting many miles
to these jobs the "local" emergency is of interest to many
people in the listening area of the primary station.
Another solution in search of a problem.
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