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Re: [CQ-Contest] SO2R on a tiny lot

To: "CQ-Contest" <cq-contest@contesting.com>
Subject: Re: [CQ-Contest] SO2R on a tiny lot
From: "VE3DZ" <va3uz@sympatico.ca>
Reply-to: VE3DZ <ve3dz@rac.ca>
Date: Sun, 2 Jan 2005 17:19:43 -0500
List-post: <mailto:cq-contest@contesting.com>
Barry,
what happens when your radio 1 is on 80 m and radio 2 - on 160 m?
I found it pretty impossible to operate like that from my place even with
100 watts and bandpass filters. Antennas are too close to each other so 160
m RIG blows ATT resistor periodically on the other (80 m) radio.

73  Yuri  VE3DZ

----- Original Message ----- 
From: "Barry " <w2up@mindspring.com>
To: "CQ-Contest" <cq-contest@contesting.com>
Sent: Sunday, January 02, 2005 10:50 AM
Subject: Re: [CQ-Contest] SO2R on a tiny lot


> While I don't have a small lot, all my antennas are on one tower
> (402CD @ 86 ft, TH7s @ 76, 40 & 25 ft, 80m slopers and 160 inv vee).
> The upper 2 TH7s are phased and the bottom one is used for radio 2.
>
> I use both stubs and bandpass filters on both radios.  Barefoot, each
> station doesn't know the other one is on the air, unless within a few
> KHz of a second harmonic (eg., 7010 and 14020).  When running full
> power, again, it is pretty clean, with just a little trouble with
> second harmonics, though the QRM extends maybe 10-15 KHz on either
> side.  No bad, considering the 40 and 20 antennas are only 10 ft
> apart!
>
> A pic of the antenna setup can be seen at
> http://www.dl1iao.com/album/w2up99/1.jpg
>
> 73,
> Barry W2UP--
> Barry Kutner, W2UP              Internet: w2up@mindspring.com
> Newtown, PA                     Frankford Radio Club
>
>

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