[time-nuts] Russian GPSDO

k4cle at aol.com k4cle at aol.com
Mon Oct 24 21:24:38 EDT 2011


Attila,

I finally got around to reading the uBlox application note on their GPS  
receiver made specifically for timing.  Did I miss it or do they not offer  
TRAIM in their receiver?  I can't believe they would claim it to be for  
timing without TRAIM capability.  Regards, Doug, K4CLE

Connected by DROID on Verizon Wireless

-----Original message-----
From: Attila Kinali <attila at kinali.ch>
To: Discussion of precise time and frequency measurement  
<time-nuts at febo.com>
Sent: Sat, Oct 22, 2011 09:03:40 GMT+00:00
Subject: Re: [time-nuts] Russian GPSDO

On Fri, 21 Oct 2011 14:47:43 -0400 (EDT)
SAIDJACK at aol.com wrote:

> Hi Attila,

> In a message dated 10/20/2011 22:28:19 Pacific Daylight Time,  
> attila at kinali.ch writes:
> 
> > That's  also my impression. It was only after i had a longer
> > discussion with one of  the user support guys about the exact
> > specs of the 6T that they measured  and provided a document
> > with more than just "we have 12ns jitter". Though  the document
> > is still not what i expect, it's infinitely better than  before.

> please share the document with us.

Oh, it's easy to find in the appnotes section on the ublox homepage:

http://www.u-blox.com/images/downloads/Product_Docs/Timing_AppNote_%28GPS.G6- 
X-11007%29.pdf

BTW: if someone who has a better understanding of timing issues could
provide a list on how to improve that appnote, i'd be happy to contact
ublox and work with them to get us more and better information.



			Attila Kinali
-- 
It is upon moral qualities that a society is ultimately founded. All 
the prosperity and technological sophistication in the world is of no 
use without that foundation.
                 -- Miss Matheson, The Diamond Age, Neil Stephenson

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