[RFI] RFI to and from adjacent cell site

[Tim Duffy K3LR]

Hi Pat:

I have built cell sites for more than 25 years. I have also operated on the
160 meters through 2 meters on these same cell site towers (so this would be
a worst case scenario). I have good experience in this area.

Using 1500 watts output on these bands - Amateur radio never caused a
problem "to" the cell site equipment (which used 800 and 1900 MHz
equipment). There were no noise issues noted that affected my ability to
receive on 160 through 2 meters.

W3YQ had a 200 ft cellular tower on his property and never had a problem. 

When you work KL7WV on the air now (from Alaska - his operations occur at a
cell site) - no problem either way.

All that being said - cell site equipment and technology changes constantly
- so what is OK today - might not be tomorrow. And the frequencies above 2
meters - might cause a problem - or be affected - I don't have any data
above 148 MHz. 

73,
Tim K3LR

-----Original Message-----
From: rfi-bounces at contesting.com [mailto:rfi-bounces at contesting.com] On
Behalf Of Patrick
Sent: Friday, September 02, 2011 6:42 PM
To: rfi at contesting.com
Subject: [RFI] RFI to and from adjacent cell site

All:

Someday in the next few years I hope to relocate to a house with greater 
acerage where I may pursue ham radio without neightbors being too 
close.  I had in mind 3 or more arces so that I might run legal limit on 
the HF bands without bothering too many of my neighbors.

I was earlier today looking at a property for sale (just browsing 
realtor sites online) that pretty much meets all of our requirements. 
When looking at a satellite view of the house and land I found a cell 
tower probably not over 200 feet away from the house.

This close to a cell site might be a real problem (or not).  I can 
imagine that switching supplies and computers may cover the HF bands 
with switching hash.  I can also imagine that a KW on 75 meters might 
also make it's way into the cell system equipment giving the cellular 
operator a fit. Regardless of who is technically right or wrong, I don't 
need to buy into aggravation.

Does anyone have any personal experience with living adjacent to a cell 
sight with HF gear?

Pat
wa4tuk
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