> -----Original Message-----
> From: topband-bounces@contesting.com [mailto:topband-
> bounces@contesting.com] On Behalf Of John
> Sent: Monday, December 08, 2008 12:40 PM
> To: topband@contesting.com
> Subject: Topband: 160m L impedance??
>
> OK Gurus......
>
> Quarter-wave L, vertical to 66 feet, balance horizontal. 32 radials on
> the ground, length ranging from 35 to 68 feet with a good mix of those
> lengths. Using 14 solid copper, insulated wire. At the feed point, I
> see the lowest SWR of 3.2 at 1.820 MHz. But, the impedance measures 80
> +/- ohms! I see 7 mh and 1050 pf.
Add a ground rod and attach the radial system to it.
73,
Cliff K3LL
>
> At the shack end using 75 feet of BuryFlex, I measure lowest SWR of 1.2
> at the same freq, 1.820. The impedance there measures 60 ohms. I used
> both my Autek RF-1 and MFJ-259. I have no BC stations within 10 miles
> or so. My soil is mostly sand, although it is a top soil, sand mix.
>
> The "bad" news is the antenna works OK....128 in two seasons.
>
> Why the high impedance?
>
> Thanks, and 73...........John K4NP (this should bring on some beauts)
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