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Re: [RFI] FCC RFI Question

To: "Hare, Ed W1RFI" <w1rfi@arrl.org>
Subject: Re: [RFI] FCC RFI Question
From: Mike Martin <mike@rfiservices.com>
Date: Wed, 15 Aug 2018 13:15:16 -0400
List-post: <mailto:rfi@contesting.com>
Very interesting

⁣From Mike's Mobile Email

Sent from BlueMail ​

On Aug 15, 2018, 12:09 PM, at 12:09 PM, "Hare, Ed  W1RFI" <w1rfi@arrl.org> 
>One group of hams started to post RF-noisy locations on a Google map. 
>Growers in that area did not want to appear on the map.  For the crop
>usually grown, there is a 16-hour on/8-hour off lighting cycle until
>about 2 weeks before harvest, where the cycle is changed to 12 hours on
>and off. So, not only can people guess what is in the "farm," they know
>when it is ready for harvest.  Growers don't usually want other people
>to know that they have a valuable crop growing in their houses, so many
>of them are interested in filters.
>-----Original Message-----
>From: RFI [mailto:rfi-bounces@contesting.com] On Behalf Of Mike Martin
>Sent: Wednesday, August 15, 2018 10:00 AM
>To: Dave Cole (NK7Z)
>Cc: Unknown
>Subject: Re: [RFI] FCC RFI Question
>Everyone doesn't get the same results and everyone doesn't use the same
>attitude and aproach.
>⁣From Mike's Mobile Email
>Sent from BlueMail ​
>On Aug 15, 2018, 8:00 AM, at 8:00 AM, "Dave Cole (NK7Z)"
><dave@nk7z.net> wrote:
>>That has not been my observation.  The FCC has responded, and
>>at least one issue over the past few years, and are currently working 
>>to correct an existing issue today!  All without telling me to work it
>>with the neighbor.  Which by the way is the best way if you can do 
>>Several years ago I had a very bad RFI issue and the neighbor was not 
>>willing to correct it, as he had sheet rocked a wall wart into a wall.
>>The FCC letter got prompt action, and the issue was corrected.
>>I am having a RFI event now, and worked that event through the ARRL to
>>get get it submitted to the FCC.  The operator of the device has not 
>>taken the offer of free filters, nor solved the RFI as of yet, so the 
>>FCC was added to the mix.
>>It is my understanding the FCC has sent the first letter, and are 
>>getting ready, or have already sent the second letter.  I am in direct
>>contact with Laura Smith, and she has indicated that if the RFI 
>>continues the FCC will continue along corrective lines.  I am happy 
>>with this response, and will wait for things to take their course.
>>Again, slow, steady, and making sure you cross every "t", and dot
>>"i" seems to work for me.  So far...
>>Solving RFI just takes lots of time...
>>Over the past 7 years I have had 4 or 5 horticultural lighting issues,
>>and in all cases but the current one, I was able to work the issue out
>>between myself and the owner of the RFI generating device.  In each 
>>case it took months to solve.  Most of that time is in documentation. 
>>Once the owner was contacted the issue ended, or I gave them filters, 
>>and it
>>ended.  All with no FCC assistance.  But when I needed it, the FCC 
>>assistance has been there!  Hopefully the FCC will follow up if the
>>73s and thanks,
>>Dave (NK7Z/NNR0DC)
>>ARRL Technical Specialist
>>On 08/15/2018 12:14 AM, Dale Johnson wrote:
>>> If you make a complaint to the FCC they will tell you to work with
>>your neighbor to resolve the problem.  In other words you are on your 
>>> With the unfettered RFI, radio will die a slow death as the RFI
>>becomes worse, that is unless you live far away from neighbors.
>>> Dale, k9vuj
>>> On 14, Aug 2018, at 20:20, Tony <dxdx@optonline.net> wrote:
>>> All:
>>> I was wondering how the FCC measures the level of RFI emanating from
>>a distant device to determine whether it's above or below FCC 
>>> The reason I ask is that the RFI emanating from the device might
>>a certain criteria when measured some number of feet from the unit,
>>the bottom line for the ham is whether the noise is still heard on his
>>or her receiver.
>>> That brings up the question of whether or not the FCC deems a
>>level of RFI as "acceptiable"? My neighbors solar panels generate RFI 
>>ranging from S-5 to S-9 throughout the day and even at lower levels, 
>>the noise makes S-9 signals difficult to copy.
>>> This video demonstrates how intrusive it can be at S-5 levels:
>>> Tony -K2MO
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