On some bands as much as 1/2 of your power goes into heating the
resistor. The resistor is there to provide a smoother SWR over the
range, which for which these antennas might be used by government,
include ALE ranges, where they are not in a ham band. But, who among
hams can afford to give up half your power you paid for? Truth be told,
the ALE users also need better tuning, to not have to rely on lossy
antennas.
And remember, it works to limit what you get on receive as well. A
double loss in my book for a ham.
-Stuart Rohre
K5KVH
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