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Re: Interference problem RX/TX



Hello Mark.

That looks like a very good idea.
Ive got 2 spare duplexers for 2m/70cm, so i will try that.

Thanks for the help.

Regards
Brian OZ1SKY.

----- Original Message ----- 
From: "Mark L. Hammond" <mlhammond@charter.net>
To: "OZ1SKY Brian" <amsat-bb1@houge.spamfree.dk>; <amsat-bb@AMSAT.Org>
Sent: Saturday, January 15, 2005 10:51 PM
Subject: Re: [amsat-bb] Interference problem RX/TX


> Here is what might be a simple, cost effective solution:
>
> http://www.amsat.org/amsat-new/echo/ModeJ.php
>
> 73,
>
> Mark N8MH
>
> At 10:16 PM 1/15/2005 +0100, you wrote:
>>Hello Everyone.
>>
>>Im having a problem here with TX interference in my RX when working 
>>satellite.
>>
>>My setup is ICOM910H with 9elem yagi for 2m and 16elem yagi for 70cm.
>>Using SSB SP2000 preamps on both antennas.
>>My problem is the TX makes alot of noice in my RX, when working over 
>>4-5Watt output.
>>Both ways, 2m up / 70cm down and 70cm up / 2m down.
>>Only AO7 is working fine with more than 4-5watt output, its another 
>>up/down config that dont add up with the harmonic freq.
>>
>>So, im looking for options, so i can run more output power, 4-5watt is not 
>>alot, when you dont have elevation rotors. Moving the antennas more apart 
>>is not an option, nor is disconnection the preamps, then i cant hear very 
>>good. So what am i looking at, filters?
>>
>>I cant be the only one with this problem, so maybe some you have some 
>>answers?
>>
>>Thanks
>>
>>Regards
>>Brian OZ1SKY
>>Denmark.
>>----
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----
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