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

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Subject: [Towertalk] 100M-long boom Yagi for 20M
From: (Zyg Skrobanski)
Date: Sun, 12 Jan 2003 11:09:09 -0500
A typical broadcast curtain array will have a gain of 21 dBi with a
bandwidth of about 10°.  I guess that's why super long Yagi's are not used.
 I'm waiting for some fancy contest outfit to come on the air with their
own beam curtains!

-Zyg- AF4MP

At 12:09 AM 1/12/03 -0500, you wrote:
>     Specs are:  fixed azimuth of 15 degrees east of true North (don't
>start!), covering selected portions of Europe and Asia; design freq: 14.150
>MHz; predicted directivity: 15.8 dBi freespace/21.5 over low conductivity
>ground; 3 dB beamwidth: 15 degrees either side of boresight. 

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