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Re: [RFI] RFI Success

To: Tom Thompson <w0ivj@tomthompson.com>, "RFI@contesting.com" <RFI@contesting.com>
Subject: Re: [RFI] RFI Success
From: "Hare, Ed W1RFI" <w1rfi@arrl.org>
Date: Mon, 19 Jan 2015 17:02:09 +0000
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
A great lesson, Tom, and thanks for sharing it.

Do you have the model number of the offending device? I'd like to get one and 
test it to see if it meets or exceeds the FCC conducted noise limits.

Ed, W1RFI



-----Original Message-----
From: RFI [mailto:rfi-bounces@contesting.com] On Behalf Of Tom Thompson
Sent: Saturday, January 17, 2015 12:48 PM
To: RFI@contesting.com
Subject: [RFI] RFI Success

In the fall discovered that my noise level on 20 meters had increased by about 
18 dB above my normal band noise.  I suspected a grow light situation so I took 
a loop reading and headed east where there is a neighborhood with a lot of 
rental properties.  I had only walked a few hundred feet when I noticed the 
loop pointing more to the north.  A few minutes later I had the RFI pin pointed 
to the south east corner of a commercial building just to the east of me. The 
particular suite was a dentist office.  I introduced myself to the 
receptionist, explained the situation,  and left my contact information.  A few 
weeks later, having heard nothing,  I revisited the office and left another 
message.  After the third visit I contacted the building owner who said he 
would contact the dentist and have him contact me.  A month went by with no 
contact, so I called the building owner again.  He told me that the dentist had 
emailed him back that he felt harassed.  The building owner suggeste
 d that I email the dentist directly.  I spent about 30 minutes composing an 
email that was as diplomatic as I could  make it emphasizing that we were 
neighbors and that I wanted to work with him to remedy the situation.  A few 
hours later I received a very cordial email from the dentist suggesting a time 
when we could meet.  I met with him the next day and he was very nice and 
cooperative.  Within about 10 minutes of walking around his office switching 
off light fixtures, I located two under the counter fluorescent fixtures which 
were causing the RFI.  He agreed to leave them off until he could get them 
fixed or replaced.  My
20 meter RFI is gone.

I guess the lesson learned here is to be patient and not assume an aggressive 
stance even when one might assume the other party is on the defensive.

73   Tom   W0IVJ
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