I had a streetlight that made terrible noise only
when off. Quiet as a church mouse when on. I
talked the county into wiring it on all the time.
Rick N6RK
M. Macliammoir wrote:
> Does the rise in noise level start to increase as the lights go off?
> Around here they turn off slowly, perhaps done by a local pole-mounted
> UV or other light-sensitive switch. If so, perhaps there is a faulty
> switch not to far from you which is radiating, not shielded, or shield
> not grounded properly?
>
> "Mercury vapor street lights are off when the noise level
> starts to climb in the late morning."
>
> Mac.
>
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