RFI
[Top] [All Lists]

Re: [RFI] Repeater Desense from Tower Light? Or what is it??

To: k9mk@flash.net
Subject: Re: [RFI] Repeater Desense from Tower Light? Or what is it??
From: David Decoons <rocketnj@gmail.com>
Date: Wed, 25 May 2022 12:32:25 -0400
List-post: <mailto:rfi@contesting.com>
I have seen this once with an older light & controller on one of the County 
220’ towers. We upgraded the tower lighting when the tower was strengthened to 
an LED system and the issue cleared. 

I don’t have a suggestion on a fix.

Dave wo2x

Sent from my iPad

> On May 25, 2022, at 12:01 PM, k9mk@flash.net wrote:
> 
> Greetings to the group,
> 
>    Last night I was monitoring our county skywarn net on 2M as storms went 
> through our area.  On a number of the marginal stations, the ones that were 
> in that 'almost full quieting' signal level into the repeater I observed what 
> I thought was a desense hit.  That meaning  where the signal went from almost 
> full quieting to a bit noisy (> 20 dB quieting).  It would toggle up and down 
> and then I realized that the so called desense had a cadence.   About one 
> second on and then maybe 2 seconds, or something like that.  I quickly 
> realized it the was tower light.  Has anyone seen this or maybe dealt with 
> something like this?  The light and antennas are at 400', and the repeater is 
> in the bunker at the tower base.   Thanks in advance.
> 
> 73  Mike  K9MK
> 
> 
> 
> _______________________________________________
> RFI mailing list
> RFI@contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi
_______________________________________________
RFI mailing list
RFI@contesting.com
http://lists.contesting.com/mailman/listinfo/rfi
<Prev in Thread] Current Thread [Next in Thread>