switch mode + 1......and.......if killing the power to your house, and the
noise doesn’t go away, don’t assume its NOT in your house.,....my Ariss
brand digital phone modem, provided by my local cable company, as a battery
backup in it, took my months of trying to track it down, because when I
killed the power, it stayed on !!!! (so I assumed it was outside my
house)....I never knew it had a battery backup in it.....
-----Original Message-----
From: Jim Brown
Sent: Wednesday, March 29, 2017 7:26 PM
To: rfi@contesting.com
Subject: Re: [RFI] More on 160 M RFI - significance of hum bands
On Wed,3/29/2017 3:29 PM, Pete Smith N4ZR wrote:
I'm having more trouble than I expected localizing my power-line
interference.
That's because the source is NOT a power line. The source is either a
switch mode power supply or the controller for a variable speed motor.
See http://k9yc.com/KillingReceiveNoise.pdf
73, Jim K9YC
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No virus found in this message.
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Version: 2016.0.8007 / Virus Database: 4769/14210 - Release Date: 03/30/17
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