[RFI] Vibrating Ferrite Chokes on Service Line

KD7JYK DM09 kd7jyk at earthlink.net
Sun Jul 12 23:26:29 EDT 2015


> So I finally got around to putting monster chokes on the service line
> that feeds my house and several neighbors.

> The 492 khz is a 9th harmonic of the 49.5 khz fundamental rfi source.

I'm wondering where he lives that the power infrastructure uses 49.5 KHz and 
not 50 or 60 Hz.

Kurt



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