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Old 18-Jan-2012, 2:57 AM   #13
GroundUrMast
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Join Date: Oct 2010
Location: Greater Seattle Area
Posts: 4,773
If I can find time in the next few days, I'll model the drawing in 4NEC2. I'll have to estimate some dimensions since they're not provided.

Without modeling anything though, this looks like a UHF or cellphone band bidirectional antenna intended to operate somewhere in the range of 470 to 1200 MHz. This is not scaled to operate in the 88 to 108 MHz FM band.
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If the well is dry and you don't see rain on the horizon, you'll need to dig the hole deeper. (If the antenna can't get the job done, an amp won't fix it.)

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