[time-nuts] High Accuracy Averaging Was: Speaking of Costasloops

Tom Van Baak tvb at LeapSecond.com
Wed Jul 3 11:40:17 EDT 2013


Dan,

I agree with Bob. Google for words like u-blox LEA RINEX and you'll see how it's done. Google also for words like: teqc, RTKLIB, OPUS. I can send you the links and papers I found, or you can find them yourself. I use teqc and OPUS on my Ashtech's. Not sure if the LEA-6T I have is RINEX enabled, but I will check.

/tvb

----- Original Message ----- 
From: "Bob Camp" <lists at rtty.us>
To: "Discussion of precise time and frequency measurement" <time-nuts at febo.com>
Sent: Wednesday, July 03, 2013 6:58 AM
Subject: Re: [time-nuts] High Accuracy Averaging Was: Speaking of Costasloops


> Hi
> 
> Since the LEA6-T will do conventional RINEX dumps, I suspect that all they are doing is very long averaging on the data. I doubt the LEA6-T is the magic part of the setup. 
> 
> Bob
> 
> On Jul 3, 2013, at 8:26 AM, Dan Kemppainen <dan at irtelemetrics.com> wrote:
> 
>> 
>> 
>> On 7/2/2013 5:07 PM, time-nuts-request at febo.com wrote:
>>> On the other hand, i know a guy who does sub-cm positioning with unmodified
>>> LEA6-T, by logging their satelite phase data and heavy post processing over
>>> hours of data and comparing it to a neaby basline of two stations with
>>> known coordinates [3]. They are currently aiming at sub-mm resolution.
>> 
>> Is there by any chance additional information, or a web site I could
>> refer to for the above project/individual?
>> 
>> Thanks,
>> Dan




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