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Re: [Discuss-gnuradio] LPDA orientation when receiving GPS signals on US
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From: |
john |
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Subject: |
Re: [Discuss-gnuradio] LPDA orientation when receiving GPS signals on USRP2 |
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Date: |
Fri, 14 Jan 2011 16:37:23 +1300 |
On Thu, 2011-01-13 at 22:08 -0500, Nick Othieno wrote:
> Hi everyone,
>
> Does anyone know what the orientation of an LPDA (log periodic dipole
> antenna) should be when receiving GPS signals?
>
> Should the up-most element be the longest one, or should it be the
> shortest one? In other words
>
>
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> Nick
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>From ARRL Antenna Handbook (1988) the 'forward' direction is towards the
smaller elements on an LPDA. Don't think that JCM equations have changed
since '88.
Kind Regards,
John