WBUR / WXRV interference

[Laurence Glavin]

>----- Original Message -----
>From: "Scott Fybush" <scott@fybush.com>
>To: Rob <xtrovato@yahoo.com>, boston-radio-interest@rolinin.bostonradio.org
>Subject: Re: WBUR / WXRV interference
>Date: Thu, 20 Oct 2005 22:52:24 -0400

> 
> Keep in mind that WXRV shares its transmitter site with WCCM 1490, 
> 1.49 MHz away from 92.5. Mike just had an article in the most 
> recent issue of Radio World Engineering Extra talking about the 
> interference that can occur at shared AM/FM sites, using his 
> experience with this particular problem as an example.
> 
> The article doesn't appear to be available online, but it suggests 
> that the problem was RF from 1490 getting into the composite cable 
> that connected WXRV's studio-transmitter link receiver to their 
> exciter. It was creating a pair of sidebands at 91.01 and 93.99 
> MHz, and that lower sideband was what was killing WBUR.
> 
> s
In  the past I mentioned how WBUR-FM was subject to interference
when I visited The Loop shopping center in the northeastern corner
of Methuen.  In recent trips, it's all cleared up now, and I
attributed that simply to the new antenna and the power boost.
This factor probably also contributed to the signal improvement.
  

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