[time-nuts] Building a GPSDO & trouble using Jupiter-T

shalimr9 at gmail.com shalimr9 at gmail.com
Thu Feb 2 14:42:18 UTC 2012


Magnus,

How do they compare in price to the receivers we normally use for timing?

Do you see any advantage for a timing receiver to fix faster than once per second?

Didier KO4BB

Sent from my BlackBerry Wireless thingy while I do other things...

-----Original Message-----
From: Magnus Danielson <magnus at rubidium.dyndns.org>
Sender: time-nuts-bounces at febo.com
Date: Tue, 31 Jan 2012 20:50:39 
To: <time-nuts at febo.com>
Reply-To: Discussion of precise time and frequency measurement
	<time-nuts at febo.com>
Subject: Re: [time-nuts] Building a GPSDO & trouble using Jupiter-T

On 31/01/12 03:17, Didier Juges wrote:
> You have to spend good money to get a GPS receiver capable of calculating
> it's time and/or position more than once per second. I am not aware of that
> being done for timing applications, but it is available for navigation GPS
> receivers, such as those used to track race cars (for a race car, one
> second is an eternity). I have seen navigation receivers capable of 10
> fixes/second, I am sure there are better ones yet. They cost a lot of money.

I have receivers which can run navigation solutions up to 10 times per 
second and raw-data results up to 50 times per second, I just don't have 
that neat options in it. Ah well. Double-frequency never the less.

Cheers,
Magnus

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