[time-nuts] Best location for a GPS antenna...?

[Rob Kimberley]

There are commercial "re-radiators" for GPS.  I found these on Google:

<http://www.gps-repeating.com/?gclid=COTV88D6rq8CFcwTfAodhSKvmQ>
<http://gpsnetworking.com/GPS-re-radiating-kits.asp>


One of my old suppliers in the UK was marketing a range of these, but I seem
to remember some problem in getting approval in the UK, and they had to drop
them. Things may have changed as this was a few years ago.

Rob Kimberley


-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Andrea Baldoni
Sent: 11 April 2012 21:06
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Best location for a GPS antenna...?

On Wed, Apr 11, 2012 at 10:19:40AM -0400, Bob Bownes wrote:

> I do like the optical isolation suggestion. While less than optimal, 
> perhaps the easiest solution is not to put the isolation between the 
> t'bolt and the antenna, but to put the isolation between the t'bolt 
> and the distribution amplifier.

By the way, would it be possible to retransmit the GPS signal to isolate it?

I mean, rx external antenna -> preamp -> tx directional internal antenna ->
big air gap -> rx directional internal antenna -> receiver.
The preamp would not be so power hungry as the full thunderbolt and maybe it
could be powered via a magnetic link (or a little solar panel with a lamp
illuminating it).

Best regards,
Andrea Baldoni

_______________________________________________
time-nuts mailing list -- time-nuts at febo.com To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.