How can I read IONEX files in MATLAB?

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Sadia Khaf
Sadia Khaf 2016-9-22
编辑： Walter Roberson 2021-4-10
I have some redundant information that I want to skip while reading this file and then I want to extract the latitude, longitude and TEC data into separate columns. I don't understand LAT/LON1/LON2/DLON either. Basically I need [x y TECdata] for Kriging.
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Walter Roberson
Walter Roberson 2016-9-22
With regards to the meaning of LAT, LON, DLAT, DLON:
The material I find indicates that the program used to generate that file was an older version of the source code available in http://ftp.izmiran.ru/pub/izmiran/SPIM/ in the isomain.zip file . In particular, file IRIPLAS5c.FOR there is noted as having comments about the format of the output file.

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Walter Roberson
Walter Roberson 2016-9-22
编辑：Walter Roberson 2021-4-10
  1 个评论
Sadia Khaf
Sadia Khaf 2016-9-22
I checked this, it's not working for me. fopn and textscan seem to take the whole data as a single string.

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