[Lowfer] [EXTERNAL] LF signal enhancement - power grid coupling

[Howell, Laurence J]

Yes andy we see coupling standing waves by powerlines up to 1 lambda - nulls and gains

Laurence kl7l. G4DMA

> On Sep 5, 2016, at 17:19, Andy - KU4XR via Lowfer <lowfer at mailman.qth.net> wrote:
> 
> Gentlemen:
> 
> Has anyone experienced an enhancement in LF signal strength when a wire antenna is
> in close proximity to a powerline ?
> 
> For years, I have had a full length 160 windom up at 30 feet.. The short leg " was " within
> 12 feet of the drop-lead to my home.. I have been plagued with powerline buzz because of
> the proximity, so, a few days ago, I removed the short leg, and straped the coax braid over
> to the long leg.. now I have an inverted " L ",  - the powerline buzz, and overall noise level
> is considerably reduced, - BUT !! - signals from MF and down - across the board - are also
> noticably weaker... The antenna is still easily tuned with my LC network, but reception 
> seems to be much lower in strength...  I do not have a meaningful radial field because it 
> would be in my yard... I did not expect this noticable drop in signals... Have I created an
> un-balanced dummy-load ? Now being an Inverted " L " without a radial to work against,
> could that explain the reduction in signals ?
> 
> Thanks for comments, and 73:
> 
> Andy - KU4XR
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