[RFI] Humming "Telephone" Poles

[David Robbins K1TTT]

Is there any wind when this is happening?  Perhaps you have a fluttering
wire.


David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
 

> -----Original Message-----
> From: rfi-bounces at contesting.com [mailto:rfi-bounces at contesting.com] On
> Behalf Of Mike W2LO
> Sent: Wednesday, December 20, 2006 23:41
> To: rfi at contesting.com
> Subject: [RFI] Humming "Telephone" Poles
> 
> 
>    There are two ordinary wooden "telephone" poles in my neighborhood
> carrying just H/V and telephone lines-no transformers, etc.-just the wires
> supported by two insulators. Occasionally when I pass them while walking,
> there is a fairly loud hum coming from them. Touching the pole you can
> feel
> this loud hum. Oddly these two noisy poles are separated by a non-humming
> pole, that is, there is a humming pole, 150 feet or so later there is a
> quiet pole and 150 feet later a noisy pole.
>    These poles sometimes hum and sometimes not. I don't detect any RFI
> from
> them but is this indicative of trouble in the making? I walk extensively
> through the neighborhood but haven't detected any other noisy pole besides
> these two.
> 
>                                                            Mike  W2LO
> 
> 
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