Re: NEC-LIST: High Frequency Signal to Noise problem

Hello Zvi

I think that directivity and polarization are conventional tools to reduce
the noise and the efficiancy will increase the signal.

Regards

Yitzick Magid

On 1/26/06, zvi frank <zvi_f_at_mti-group.co.il> wrote:
>
> -----Original Message-----
> From: zvi frank
> Sent: Monday, January 23, 2006 11:57 AM
> To: nec-list_at_robomod.net
> Subject:
>
> Hallo All,
> I have a problem at H.F. Somebody told me he improved the
> S/N of an HF antenna. As far as I understand usually the S/N of an HF
> antenna is determined by external noise. This would mean improving the
> efficiency of the antenna would not increase the S/N. I suppose if the
> antenna was made more directional than one might be able to decrease
> noise coming from some directions. Has anyone any comments or experience
> with this sort of problem ?
> Thanks in advance,
> Zvi
>
>
>
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