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>
wrote:
>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:
>>Dale,
>>
>>That has not been my observation. The FCC has responded, and
>corrected
>>
>>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
>
>>out
>>
>>with the neighbor. Which by the way is the best way if you can do
>>that.
>>
>>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
>every
>>
>>"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
>RFI
>>
>>continues...
>>
>>73s and thanks,
>>Dave (NK7Z/NNR0DC)
>>https://www.nk7z.net
>>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
>>own.
>>>
>>> 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
>>limitations?
>>>
>>> The reason I ask is that the RFI emanating from the device might
>meet
>>a certain criteria when measured some number of feet from the unit,
>but
>>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
>certain
>>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:
>>https://www.youtube.com/watch?v=yc4uMkWYYBc
>>>
>>> Tony -K2MO
>>> _______________________________________________
>>> RFI mailing list
>>> RFI@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/rfi
>>>
>>> _______________________________________________
>>> RFI mailing list
>>> RFI@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/rfi
>>>
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