how to read a gps Rinex observation and navigation files in matlab directly

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Mohammed Yousuf
Mohammed Yousuf 2016-12-14
编辑： Markandeya Janaswamy 2023-8-21
Hey guyz please help me out, i am trying to read a Rinex file (both observation and Navigation) for one of my gps receiver, i want to read it in MATLAB version r2009a.

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回答（4 个）

Peter Spanik
Peter Spanik 2020-12-15
Hello Mohammed,
As far as I know, Matlab does not support reading of RINEX observation/navigation files. I created functions and classes to read RINEX and other GNSS-related files (see GNSS-toolbox). You can load RINEX to Matlab OBSRNX object as following:
addpath(genpath('path_to_GNSS-toolbox/src')); % Add path to toolbox functionality
obs = OBSRNX('your_rinex_filepath');
When the OBSRNX object is created in Matlab you can querry observations and perform slicing as you want. I do not test it under R2009a, but I guess it should work.
José-Luis
José-Luis 2016-12-14
No need to reinvent the wheel
Imtiaz nabi
Imtiaz nabi 2021-9-28
Hello, I have downloaded the code and was using it for testing my RINEX navigation and observation files but the function keeps giving me errors.
Can you please guide me what am I doing wrong here?
thank you and please find the attached screen shot to this comment.
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Walter Roberson
Walter Roberson 2021-9-28
str2num is not returning a scalar. Possibly the text to be converted is blank or has more than one number.
In most cases, str2double should be used if exactly one number is expected.

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Markandeya Janaswamy
MATLAB supports reading RINEX data directly into MATLAB from R2022a onwards. Use the function rinexread. See https://mathworks.com/help/nav/ref/rinexread.html

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