Paul Plack wrote: > FM and TV Broadcasters go to much trouble and expense to maintain > antenna heaters to deal with this issue. Some use ice detectors which > evaluate precip and temp on the tower, to turn on the antenna heater > automatically when conditions are favorable for ice formation. > Otherwise, ice can form so fast the heaters can't keep up, and some > broadcast stations have to shut down when SWR gets too high due to > ice.
heh-yeah, even 1% reflected on a 100,000 W TV station is 1000 W of reflected power! -- Jim Barbour WD8CHL
