Topband: New Noise - 160 Meters

[Herbert Schoenbohm]

I found a defective LED lamp that sounded.  Getting the neighbors to 
turn off lamps one by one while you listen in the shack over the phone 
might help if they will do that.   In my case it had peaks staring in 
the AM band and noticeable up to 4 Mhz.  Also a bad cell phone charge 
adapter power source could be the cause.



On 10/13/2016 1:41 PM, Joe Galicic wrote:
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> ----- Original Message -----
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> From: "Joe Galicic" <galicic at comcast.net>
> To: "PVRC List" <pvrc at mailman.qth.net>, "TopBand List" <topband at contesting.com>
> Sent: Thursday, October 13, 2016 1:35:15 PM
> Subject: Topband: New Noise - 160 Meters
>
> Just put up my 160 antenna and have a new noise source to find. Very loud wide band buzzing that starts in the middle of the AM broadcast band and then abruptly drops to zero at 1870 KHZ. I have attached sound file and panadapter screen shots. It is not coming from my QTH. One night it went off at 11PM sharp but has returned and doesn't seem to quit. I will continue to monitor for a cycle. I walked the neighborhood with portable AM radio and the noise seems to be contained within a four house area. Tough to tell which house though. All utilities are buried in my neighborhood. Could this be a grow lamp ? Thanks -Joe N3HEE
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