[RFI] A troubling new source of RFI

Dave Cole (NK7Z) dave at nk7z.net
Thu Jan 17 11:44:19 EST 2019

I have also used Ethernet over Power lines, NetGear, the version that 
has the ham bands filtered...  Worked fine...  I SWL, so I eventually 
got rid of them...

Quick story:

I was helping another ham look for RFI, and noticed that the RFI quit in 
the ham bands, (he was a SWL as well).  I mentioned this and said it 
might be Ethernet over Power line, he looked across the street, and a 
truck from a local Internet company was in the driveway...

Turns out the neighbor worked for an Internet company, and was using 
Ethernet over Power lines...

73s and thanks,
Dave (NK7Z)
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 1/17/19 7:49 AM, David Eckhardt wrote:
> I once tried Ethernet over house power wiring.  It didn't last long.  When
> I loaded a kW into the antenna, that took care of it.  The "adapter" went
> up in smoke, literally.  However, when it was operating, the RFI was about
> as bad as the recordings all of us have heard of BPL.
> Dave - WØLEV
> On Wed, Jan 16, 2019 at 7:15 PM Volodya S <canswl at gmail.com> wrote:
>> I'd  love to  have a hand.  Love to see your approach on how to deal with
>> it, though!    73,  Walt
>> On Wed, Jan 16, 2019 at 7:14 PM R. Colin Newell <coffeecanuck at gmail.com>
>> wrote:
>>> Ethernet over powerline — UGLY...
>>> Easy to track to an individual house.
>>> I can look this Sunday.
>>> Colin Newell - Victoria - B.C. CANADA -
>>>> On Jan 16, 2019, at 11:04 AM, Volodya S <canswl at gmail.com> wrote:
>>>> <Unidentified RFI 15Jan2019 Victoria.jpg>
>>>> Since returning after Christmas, I'm noticing a very troublesome source
>>> of RFI right across the bands from about 2 MHz to 30 MHz.  Each spike is
>>> very narrow as you can see.  It's there 24/7.  The ham bands are equally
>>> affected.  There appears to be short data bursts intermittently, I think.
>>> Ideas of what they may be?  Solutions?    73,  Walt Salmaniw, Victoria,
>> BC
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