Rick,
You nailed my situation to the tee. I live on a 1/2 acre and wish it was an
acre. If I had a true 1/2 acre meaning no house I would be okay on 160.
Hams always want more :-)
Eric
W9WLW
http://w9wlw.blogspot.com/
Rick - DJ0IP / NJ0IP <Rick@DJ0IP.de> wrote:
>Let's not forget that we're talking about 1 6 0 meters here.
>
>Of course 38 Ohms radiation resistance would be a great antenna but the
>reality is, the vertical antennas most people deploy on that band are more
>in the neighborhood of 10 Ohms (at best). The ground loss raises the
>impedance high enough to fake the OM into believing he has a good antenna
>because the SWR is not too bad.
>
>It is not difficult to build an effective antenna on 160m when you have the
>space for the radials, even if you can't go so high with the radiator. You
>just need to use a lot of wire above the earth. Run the vertical section as
>high as you can and then use 4 top-hat wires. Then you will have a great
>signal, provided you have a decent radial network below the antenna.
>
>Without tricks, in order to have 38 Ohms on a 160m vertical, it would have
>to be 132 ft. high and have about 60 radials under it. I doubt that more
>than 2 or 3 people here have ever had or even used something like that.
>I sure haven't.
>
>The bottom line is, if you don't have at least a half acre of land, you're
>probably never going to have a big signal on 160m. With an acre, it's no
>problem.
>
>73
>Rick, DJ0IP
>
>
>-----Original Message-----
>From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Stuart
>Rohre
>Sent: Friday, November 08, 2013 9:17 PM
>To: tentec@contesting.com
>Subject: Re: [TenTec] 160 M antenna
>
>No one listening to the 38 ohm antenna will be able to tell the difference
>in signal level from a 50 ohm antenna. There is way more variability in the
>inonosphere than that small mis-match. Save your time for operating!!
>Gud DX, try 10!
>Stuart Rohre
>K5KVH
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