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[Towertalk] 100M-long boom Yagi for 20M -- correction

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Subject: [Towertalk] 100M-long boom Yagi for 20M -- correction
From: (Pete Smith)
Date: Mon, 13 Jan 2003 12:20:19 -0500
At 09:31 AM 1/13/03 -0600, W0UN--John Brosnahan wrote:
>Pete, I don't think you can have it both ways.  If they are the same gain 
>and one has a wider
>azimuth beam width it must have a narrower elevation beam width.  That 
>gain (power) has
>to come from somewhere and if it gets spread over a wider azimuth the only 
>place it
>can come from is from the elevation beam width.  All assuming that side 
>lobe performance
>is good enough to make any energy in the side lobes to be relatively 

I understand the point you're making -- the old water balloon analogy -- 
some fussy detail about the conservation of energy...hi  But doesn't it 
come out of higher-angle secondary forward lobes?  That certainly seems to 
be what my modeling shows, particularly with 1X/2X stacks.

73, Pete N4ZR
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