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Old January 22nd 07, 10:49 PM posted to rec.radio.amateur.antenna
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Posts: 49
Default Slim Jim vs. EZNEC


"Richard Clark" wrote in message
...


I would argue that your expectation would defy both experience and
analysis. Of course, just what a pancake pattern means leaves open a
lot of interpretation. Myself, that would mean to me to be an
especially high gain.


That's the way I explain it to my freshman electronics classes. You have a
given amount of dough. You can either make it a donut, with radiation
fairly equal in all directions except up and down, or you can squish it into
a pancake and aim it where you want it to go. I then go on with the garden
hose analogy of a sprinkler versus a nozzle, and totally confuse them.


I presume this tap is across the match section. Just make it a short
wire connecting to both the short element and the long element, with
the source in the middle segment of the short wire. Voltage, current,
or power source driven is not going to matter at all to the results.



I'll try that. Thanks...

Jim


 
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