[IRCA] Short antenna radials

[Bob Coomler <w7swl@xxxxxxxxx>]

I happened to be looking at a Google earth view of the KFI transmitting site (33° 52' 47" N, 118°00' 47" W) which is located smack in the middle of a commercial/industrial area.  I was struck by what a small diameter clear area there is around the base of the antenna; maybe 150 feet.  Just curious how the resulting short radials could really offer much efficiency?  Updates to my understanding of the situation would be welcomed.  :-)

Bob Coomler
Tucson, AZ
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