Rick
How about a Google search on that detector, looking for
false alarms? If it is happening in more than just his own
unit(s), it may be generic to that detector and clearly not
your problem.
Good luck and 73
Bob N6WG
----- Original Message -----
From: "Rick Low" <n6cy@earthlink.net>
To: <rfi@contesting.com>
Sent: Tuesday, November 13, 2007 6:47 PM
Subject: [RFI] Non-transmitting tower causes RFI/EMI?
> For the past year and a half my neighbor has claimed frequent interference
> to his Kidde "Nighthawk" Carbon Monoxide detectors. While we've been able
to
> prove a few frequency/power combinations that definitely result in false
> alarms, a majority of the "alarms" occur when I'm not transmitting at all!
> The neighbor's claim is that my tower (and by extension, the yagi on it)
is
> somehow 'reflecting' another signal in the neighborhood and causing the
> false alarms.
>
> I've tried to explain the implausibility of the claim, and even tuned
> through the HF spectrum during some of these false alarms, without finding
> any signals that to me would obviously be strong enough to cause them. But
> the belief remains in my neighbors' mind that I am the cause of the
abnormal
> occurrences in their house. My house is experiencing zero false alarms
> during the same period.
>
> So the question for the community: Is my neighbors' claim valid? How might
I
> go about helping to prove (or disprove) it?
>
> Many thanks for your candid thoughts. 73 Rick N6CY/4
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