[Elecraft] Re: dipole antenna efficiency

Don Wilhelm w3fpr at embarqmail.com
Fri Jan 4 23:48:06 EST 2008


Chris,

I respectfully disagree.  A good current balun or a balanced tuner will 
cure any common mode noise that may be present on the feedline.

Of course the real 'secret' is to run the feedline away from the antenna 
at a 90 degree angle and support the feedline away from conducting 
surfaces - if done properly, common mode pickup will not be a problem.

73,
Don W3FPR

Chris Kantarjiev wrote:
> The *problem* with ladder line fed antennas is that it's very
> difficult to remove common mode noise from them. If that's
> not an issue for you ... fine. But if it is...
>
> 73 de chris K6DBG
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