Receiver Independent Exchange (RINEX) Format is a data interchange format for raw satellite navigation system data.

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Manually reducing the number of available satellites per epoch in a RINEX observation file

As part of my research I will need to test some GNSS positioning algorithms using only four satellites. To ensure this I've edited a RINEX observation file manually and for every epoch I have only ...
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Where ionospheric coefficients come from?

There are 8 coefficients in broadcast GPS message (ION ALPHA and ION BETA in the header of RINEX navigation file) that are the part of the Klobuchar model. Is there an open source of this ...
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Post-processing GPS Satellite Measurements

I am working on a system that reports its location to a server using very little power. In order to achieve an extremely low power usage, I am avoiding having to download both the almanac and the ...
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115 views

Sourcing Ephemeris Data for GLONASS for rnx2rtkp

I'm currently trying to process some data from a uBlox receiver in RAWX format to calculate precise positions using only GLONASS data. Using the latest version of RTKLib I have successfully created a ....
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Reorder or remove out-of-order epochs in Rinex file

I have some Rinex (2.11) files where something went wrong and every epoch is duplicated. Mostly they're in order, but sometimes there's an epoch out of order, like this: AABBCCDDEFEFGGHHIIJJKLKLMMNN.....
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Export all SSF contents to RINEX

I used Pathfinder Office 5.60 to export SSF to RINEX. But the RINEX contains only L1 code and carrier data. It does NOT seem to export L2 code and carrier. BTW I use a GeoXH 6000 that also records ...
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Use of RRC(Range Rate Control) in Pseudo Range Correction for satellite

Can anyone tell me the use of RRC in order to calculate the value of PRC(pseudo range correction) in PPK(post processed kinematics)?
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What is required for post-processing differential correction? (And can Garmin units provide it?)

2 very closely related questions about differential correction with a Garmin unit: 1). Some data was collected using a Garmin GPSMAP 76Cx unit and the data collectors are interested in whether post-...
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Where to start rtk and Rinex?

I'm a total newbie at this filed and I want to use Rinex data to add more precision to my GPS receiver. I don't know where to start and even I spend a lot of time googling, I just got more confused.I ...
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GPS post processing - Differential Correction

I have a large set of collected GPS points that I'm pulling into Arcgis from SQL and creating an xy event layer to then map them. The fields for the points are as follows: recorded, lat, long, ...
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GeoXT .ssf files

I have changed the name of the project files when collecting data on a GeoXT collector. When I use Pathfinder office to differentially correct the files, most of them cannot find the correct CORS ...
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RINEX specs and OS library

Is there any OS library to read/write/process RINEX data? I've been wanting to start a OS library to read and write RINEX, which is something I need for a project, but not actually post-process them. ...
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Trimble GeoXH, XM, XT - Data logging without Terrasync or GPSCorrect?

Is it possible to capture data for post processing on a Trimble GeoXH, XT, or XM without using Terrasync or GPScorrect? Specifically I would like to create a RINEX file. A Trimble 4000 series receiver ...
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postprocessing GPS coordinates with RINEX data to improve precision?

Im doing some mapping for OSM in my region and I am curious if the precision of tracks from a GPS Receiver can be improved if they are post processed with RINEX data. The tracking is done with a ...