[RFI] Quidance on finding noise?

Michael Martin mike at rfiservices.com
Fri Jan 10 21:28:28 EST 2020


It is one indication or likeness to a narc. But so is a light dimmer so are many power supplies so are many light bulbs there are many many things the discharge at the peak of every Hive cycle or once per cycle. Not just sparking sources. Also, summus parking sources only discharge on the positive half of the cycle.

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On Jan 10, 2020, 6:03 PM, at 6:03 PM, AA5CT via RFI <rfi at contesting.com> wrote:
> Now, in all fairness Jim, he didn't "track that one to ground" did he?
>
>
>A 'strike per half cycle' of a sinusoid is a pretty good indicator 
>of an arc. Not only is that common sense, it falls in line with the
>physics of a breakdown in air (an arc).
>
>
>de AA5CT
>.
>.
>On Friday, January 10, 2020, 4:39:46 PM CST, Jim Brown
><jim at audiosystemsgroup.com> wrote:  
> 
> On 1/10/2020 5:18 AM, Don Kirk wrote:
>> Would love to hear comments from others regarding their opinion of
>what
>> they see in my attached plot.
>
>I've repeatedly said to look at the RF spectrum and waterfall.
>
>Note that Mike Martin, a pro at this, said that it's not impulse noise.
>
>73, Jim K9YC
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