[teqc] uBlox raw data

Lou Estey lou at unavco.org
Mon Sep 29 07:35:55 MDT 2008


I have a UBX file that someone sent at 10 Hz.  The epochs are consistently
off by 6 msec over the 5 minutes of data that was collected.  (No idea
which u-blox receiver this was collected with.)

--lou

> LEA-4T can be off by 2.5 msec at 1Hz update rate.
> 
> Sam
> 
> At 01:35 PM 9/29/2008 +0200, you wrote:
>> Dear colleges,
>>
>> i would like to know if someone could supply me raw data (to generate 
>> rinex file) from uBlox TIM-LL and LEA-4T.
>>
>> I would like to check if the data is sampled at a round second, or 
>> closed to it (need to be extrapolated to a round second) at 1Hz sample 
>> rate. It also interest me to know for 10Hz, how close the measurements 
>> to the time they are suppose to measured (x.00, x.10, x.20, .. x.90)
>>
>> Regards
>>
>> Hannan
> 
> Sam Storm van Leeuwen                       e-mail: samsvl at nlr.nl
> National Aerospace Laboratory NLR       web: http://www.nlr.nl
> POBox 90502, 1006BM Amsterdam       phone: +31 20 511 3562
> Netherlands                                          fax: +31 20 511 3210
> 
> ******************************************************************************************************* 
> 
> The NLR disclaimer (http://www.nlr.nl/emaildisclaimer) is valid for NLR 
> e-mail messages.
> ******************************************************************************************************* 


More information about the teqc mailing list