The ones we have tested (3 so far...) were well above the FCC limits in the AM
broadcast band, so you can even show this to a farmer, if you feel comfortable
doing so.
Ed
-----Original Message-----
From: RFI [mailto:rfi-bounces@contesting.com] On Behalf Of Gary
Sent: Friday, March 28, 2014 1:27 PM
To: rfi@contesting.com
Subject: Re: [RFI] Grow-light..
Does the noise interfere with a broadcast AM radio? I have found people to be
way more empathetic to that as opposed to ham radio.....
> Date: Fri, 28 Mar 2014 11:18:04 -0600
> From: w0mu@w0mu.com
> To: rfi@contesting.com
> Subject: Re: [RFI] Grow-light..
>
> If the lights are on a timer it could be the timer, not the lights.
> Are you convinced that the noise is in the home?
>
> Without going back in the thread, since you probably don't need to
> worry about a grow operation, how about approaching them nicely and
> talking to them? This noise could be causing other problems for them
> and they could be happy to have some help.
>
> The noise could also be some problem with their electrical system
> which could be very dangerous? Who knows.
>
> Good luck!
>
> Mike W0MU
>
> On 3/28/2014 10:34 AM, Kenneth G. Gordon wrote:
> > On 28 Mar 2014 at 16:04, mstangelo@comcast.net wrote:
> >
> >> Ken,
> >>
> >> Since you can see the lights does the RFI stop when they are turned off?
> >>
> >> Mike N2MS
> > No.
> >
> > Yesterday, I went up to the house, all the residents being at work,
> > and walked up to within 5 feet of the lights. They are 4 regular 4'
> > long flourescent tubes in a single fixture hanging over a long tray
> > of various what look like tomato seedlings.
> >
> > I took along a portable communications receiver which I had tuned to
> > the frequency in the 80 meter band where I find the peak of the
> > noise. I listened with the BFO both on and off and in AM. As I
> > approached the lights, the noise did not change nor become stronger nor
> > weaker.
> >
> > Those lights are NOT the source of "my" noise.
> >
> > My next step is to drop back to less sophisticated equipment, one of
> > Tom's unshielded loops and the FT-890, and to go on a more thorough,
> > more time consuming hunt.
> >
> > So far, from the discussion on this forum, I am convinced that "my"
> > noise is definitely "grow-light" related, and what ever it is, it is
> > very strong, and most probably not immediately near by.
> >
> > I am getting both more frustrated, and even more ticked off by this
> > garbage...which appears to be getting slowly worse as time goes by.
> >
> > Again, thank you all for the very good advice and suggestions.
> >
> > vy 73,
> >
> > Ken W7EKB
> > _______________________________________________
> > RFI mailing list
> > RFI@contesting.com
> > http://lists.contesting.com/mailman/listinfo/rfi
>
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