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Re: [RFI] Tower/Antenna Reradiation

To: jim@audiosystemsgroup.com
Subject: Re: [RFI] Tower/Antenna Reradiation
From: Don Kirk <wd8dsb@gmail.com>
Date: Wed, 29 Dec 2021 20:50:52 -0500
List-post: <mailto:rfi@contesting.com>
Here is a link to one of the best documents I have come across regarding
PIM and the Cellular Industry and it really is applicable to PIM in general.

https://www.anritsu.com/en-US/test-measurement/technologies/pim

73,
Don

On Wed, Dec 29, 2021 at 8:28 PM Jim Brown <jim@audiosystemsgroup.com> wrote:

> On 12/29/2021 3:47 PM, Alan Higbie wrote:
> > I notice the subject of "INTERMODULATION" is given significant coverage
> in
> > "THE MITIGATION OF RADIO NOISE AND INTERFERENCE FROM ON-SITE SOURCES
> > at RADIO RECEIVING SITES"
>
> Passive intermod is a VERY big deal at VHF/UHF communications of all
> sorts, including cell sites. I am not familiar with practices there, nor
> of references, but I've heard that it places major constraints on all
> sorts of hardware and details of installation.
>
> 73, Jim K9YC
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