Topband: Low band noise

[Bill Cromwell]

Hi Bruce,

I assume your noise is on top band (just a wild guess). I will lay on 
plans this weekend to drive a ways south with the R-599 on 160 meters 
AND an AM broadcast band receiver that allows some directive sniffing to 
see if the windmill farm down that way is um... 'polluting'. I haven't 
looked that far ahead on the weather forecasts. If it's icy or there is 
a blizzard this old goat ain't going there. In the process I suppose 
I'll find out if my car is 'clean'. I've been lucky so far.

73,

Bill  KU8H


On 02/11/2014 03:58 PM, Bruce wrote:
> Getting noise from my NW direction. Does not seem to be local. Started wondering what, at distance,  could be causing it. At times it seems to have a rhythm like a motor.
>
> There are a lot of power generating wind mills showing up.  Checking through Google, they generate DC and convert to  3 phase AC it with an inverter. The frequency and phase of the inverter is controlled with a sample from the power grid.
>
> Could their inverters have enough sine wave distortion to have harmonic energy?
>
> So my question is: Does anyone have first hand knowledge of interference on the low bands from  power generator wind mills?
>
> Bruce-K1FZ
> www.qsl.net/k1fz/beveragenotes.html
> www.qsl.net/k1fz/pennantnotes.html
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