If you can send attachments on this list, those recordinds would be appreciated.

----- Original Message -----
From: Eric Oyen  <[log in to unmask]>
To: [log in to unmask]
Date: Thursday, October 15, 2015 1:34 pm
Subject: Re: I Think I Know What Ham Radio in Hell Sounds Like.

>
>
> grow lights are not the only noise maker. believe me, I have a plethora =
> of sources around my neighborhood. Firstly, the 12 Kv overhead power =
> lines. THose things buzz 24/7 and are particularly loud on 80 and 160. =
> That is not I can handle that with an MFJ-1025 noise cancellation unit. =
> Its some of the others that I have difficulty with (like the plasma TV =
> my neighbor has, or the Tivo unit out in the front room that throws =
> spurs all over the spectrum from 14 Mhz all the way up into the 2 meter =
> band. I need to make some recordings of all these types of noises and =
> see what you all make of them.
> 
> DE n7zzt Eric
> 
> On Oct 15, 2015, at 10:38 AM, Martin McCormick wrote:
> 
> > 	I benge-read "QST's" and am all caught up including
> > October.
> >=20
> > 	By the way, there are numerous references in those issues
> > to the blistering interference caused by non-type-excepted grow
> > light balists. I think that is what is tearing up radio reception
> > around here but I am not sure.
> >=20
> > 	I started noticing it a couple of years ago while
> > listening to Sporadic E television skip from Mexico and thought
> > it was a switching power supply of mine until I unplugged it and
> > the BZZZZ continued unchanged.
> >=20
> > 	This trash is pretty solid between the high end of ten
> > meters and roughly 70 MHZ. It is as if you had a 130-volt power
> > sub station in your back yard or had welders continuously working
> > right under the antenna.
> >=20
> > 	It goes and goes for hours then abruptly quits in both
> > Winter and Summer, day and night. It doesn't seem to follow any
> > particular pattern except a general one of being more common on
> > work days. I have heard it on for as few as 4 or 5 minutes but
> > normally, it is buzzing and crackling 24/7.
> >=20
> > 	The "QST" articles said that some of the dodgy balists
> > emit 50 DB more noise than they should and a single one can be
> > heard for over half a mile.
> >=20
> > 	Our house is two blocks South of the university campus
> > and the veterinary school is the closest large complex. I haven't
> > gotten a fix on the megabuzz yet but lots of folks around here
> > grow plants of both the legal and quite illegal variety. That
> > buzzing sound could be somebody's brain on drugs and they finally
> > shorted it out. I wish a thunder storm would hurry up and shorten
> > it's life so one can hear actual radio signals again.
> >=20
> > 	One of the articles I read said that when the light first
> > comes on, there is a burbling sound as the fluorescent tube
> > first ionizes. I hadn't heard that, but there is sometimes a
> > brief burst of racket, maybe a fifth of a second of relative
> > quiet and then we're off and running for who knows how long.
> >=20
> > 	The article said that some of the grow lights in question
> > are a kilowatt in power. I guess they could duplicate Marconi's
> > transatlantic test and this time, the spark is contained in the
> > glass tube.
> >=20
> > Martin