[time-nuts] Distance between GPS Antennae

Azelio Boriani azelio.boriani at screen.it
Sun Dec 18 13:26:04 EST 2011


We too use very close antennae without problems or, better, we haven't
found any evidence of problems. I have found on the usual paybay site the
PROCOM GPS4 GPS antenna that is a QFH-type. The Quadrifilar Helix  should
be better than the patch-type antenna.

On Sun, Dec 18, 2011 at 4:00 PM, Rob Kimberley
<robkimberley at btinternet.com>wrote:

>
> If they are what I call standard type working at fundamental frequency with
> an LNA built in, I've used them very close together without any problems.
> When at Austron, we used an antenna with down-conversion (10 MHz up and 75
> MHz down), we always stipulated a minimum distance of 10 metres apart.
>
> Try it and see.
>
> Rob Kimberley
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of Mark C. Stephens
> Sent: 18 December 2011 14:36
> To: time-nuts at febo.com
> Subject: [time-nuts] Distance between GPS Antenni
>
> Just curious, If I place  a pair of high gain active antenna next to each
> other, will they interfere with each other? If so what is the minimum
> distance apart?
>
>
>
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