Anthony,
Will the cable box run on a 12VDC battery?
73,
Gordon Beattie, W2TTT
201.314.6964
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On Sat, Oct 26, 2019 at 6:14 PM -0400, "Anthony (N2KI)" <n2ki.ham@gmail.com>
wrote:
I have choked of all cables on in multiple locations and the box still
"explodes". I have no access to a 3A 12vDC power supply to try and swap to
see if that makes a difference.
Regards,
Anthony (N2KI)
On Thu, Oct 17, 2019 at 9:35 PM Jim Miller wrote:
> I got called out on a DFing trip because all of a sudden several people in
> a
> section of a subdivision couldn't get their garage doors to open one Sunday
> morning. By the time I got there the count was up to 5 doors as I
> remember.
> Long story but found a new box on the side of a garage. It had been worked
> on (or installed?) the day before. The cable company came back out and
> fixed
> it. Most likely as it was assumed to be a bad cable connector
> installation.
> "Replacing" the box won't help if the coax connector isn't installed
> properly.
> 73, Jim KG0KP
>
>
> -----Original Message-----
> From: RFI [mailto:rfi-bounces@contesting.com] On Behalf Of Anthony (N2KI)
> Sent: Thursday, October 10, 2019 6:55 PM
> To: rfi@contesting.com
> Subject: [RFI] Spectrum Cable Boxes
>
> Hello folks,
>
> Anyone on here have experience RF shielding a Spectrum Cable box? I have
> tried all sorts of RF chokes (Material 31 1-300mHz) on the power, HDMI and
> coax inputs with very little success. Pretty much any band wipes out the
> cable boxes. Its not a proximity effect to the antenna as the 80 meter
> antenna is at 80 feet and about 50 feet away from the house. Also, I must
> point out that the previous cable boxes did not have these issues. So I am
> fairly confident this is an RF shielding/filtering issue with the boxes.
> In speaking with Spectrum, I could not reach anyone in a technical
> department that has RFI experience. Next step and test is wrapping the
> boxes with aluminum foil, or cutting the cord.
>
> Thanks for any suggestions.
>
> Regards,
>
> Anthony (N2KI)
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> RFI@contesting.com
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>
>
>
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