Aaron:

Sounds to me like an antenna radiation pattern problem.  Since both
antennas show good VSWR, I think the 4-bay folded dipole is
radiating enough energy straight down to the radio.  You might try
changing the rptr site antenna to the same one you have at home.
Or you might try putting lots of shielding around the radio.

Hope this helps.

Regards,

Dick

----- Original Message ----- 
From: "atms169" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: 03 May, 2006 17:57
Subject: [Repeater-Builder] Strange Repeater Problem


>I hope someone can shed some light on this?
> 
> If I have my repeater at home it works with 30 Watts out now problem.
> When I bring it back to the repeater site I have to lower it to 5-10
> Watts because I get RF feedback to the radio.  It just sounds like the
> squelch is always open.
> 
> Motorola Mitrek modified for duplex
> Coax is the same at both locations, LMR400
> 
> Antenna is the only thing that is different, using a fiberglass Alpha
> Delta full wave vertical at home and at the repeater site it's a
> commercial 4x Folded Dipole.  
> 
> SWR on the antenna at home is 1.5 to 1
> SWR on the antenna at the repeater site is flat
> 
> Thanks
> Aaron




 
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