[Elecraft] I need a Sherlock Holmes (weird spurs on 40m)

[Mike Fatchett W0MU]

Check out the RFI reflector rfi at contesting.com

W0MU

On 6/7/2022 7:36 PM, Alan Bloom wrote:
> Hi John,
>
> In this case the Internet is not via DSL, it's via cable.  The coax 
> comes out of the ground and then to the modem/router and from there 
> via a 150-foot Ethernet LAN cable to the granny unit, where there is 
> an additional router with its own Wi-Fi.
>
> Anyway, that entire system was turned off when I threw the main 
> breaker to the house.  I assume it could be caused by Internet from 
> some neighbor, but as I said, the nearest neighbor's house is about 
> 150 feet away and all services are underground.
>
> It's a puzzlement...
>
> Alan N1AL
>
>
>
> On 6/7/22 19:23, John Oppenheimer wrote:
>> Hi Alan,
>>
>> I've had issues with the service from street to modem. As I understand,
>> there's a VDSL band which overlaps 7MHz band.
>>
>> In my case, it was reversed, any transmission on 7MHz would disable TV
>> and Internet service.
>>
>> John KN5L
>>
>> On 6/7/22 7:54 PM, Alan Bloom wrote:
>>> The ISP is TDS.  They offer up to 1 Gbps internet (I only pay for 200
>>> Mbps) via cable.
>>>
>>> Just as a sanity check, I just walked down to the main house and
>>> unplugged the 150-foot LAN cable from the modem/router that feeds the
>>> router in the granny unit here where the shack is.  As expected, the
>>> spurs are still there.  There is no wired connection from the K4 or the
>>> desktop computer to the LAN (Wi-Fi only).
>>>
>>> Alan N1AL
>>>
>>>
>>> On 6/7/22 18:29, John Oppenheimer wrote:
>>>> Hi Alan,
>>>>
>>>> What is your TV/Internet provider?
>>>>
>>>> John KN5L
>>>>
>>>> On 6/7/22 6:59 PM, Alan Bloom wrote:
>>>>> The weird thing about these spurs is how clean and stable they are.
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>
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