[Antennas] Questions!

Mon, 05 May 2003 00:13:12 +0000

Osten,
  Why not build dipoles for each band and feed them with the same
feedline. Lots of us have been doing this for many years. You don't have to
have a tuner, they can be tuned just fine if you have the patience.
Relays on an antenna wire seems kind of shaky.
Good luck,
Tom K5IID

At 23:28 5/4/03 +0200, Osten B Magnusson wrote:

>Friends!
>
>I was on this list some years ago and now I'm back again!
>A question or two:
>
>I'm living on an urban lot less than 1000 square meters, and
>no space for more than one tower. I have been using an
>inverted vee for a couple of years on 80 meter CW, more
>than 230 DXCC-''entities'' worked, and now I'm going to use
>it also on 17, 30, 80 CW - 3500 - 3225, 80 SSB 3575 - 3580
>and 160 meters. My idea is to have relays in each leg adding
>lengths when going from higher to lower frequencies. In this
>case it means 4 relays in each leg, totally 8 relays.
>
>As there is high voltage in the ends of the legs what kind of
>light-weight relays can I use, not too expensive and easy to
>get?
>
>How will the 12 or 24 Volt DC lines to the relays affect the
>antenna?
>
>I think you may say it's simpler to use an antenna tuner but
>NO, I don't like them...
>
>Would like to get your answers to the questions and also
>of course your opinion to the whole idea, thanks in advance.
>
>By the way, I'm a DX'er but everything worked on 40, 20 and
>10 meters, 12 is going to die, so no need for those bands.
>I would like to put up a monoband beam for 30 meters but the
>problem is to have that at 70 feet as I need a support higher
>than that to get the beam rotatable inside the inverted vee,
>probably impossible!
>
>Hope to hear from you, all the best and 73 de
>
>Osten SM5DQC   [email protected]
>
>
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>
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