feat: Add IGS SSR Ionospheric Corrections Support (RTCM 4076/201) #734
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added 6 commits
July 31, 2025 09:24
A tool iono2rtcm (in utils) to encode BNC VTEC blocks to RTCM 4076/201 message has been added (including tests) The utils tool dumpssr includes also the dumping of IONO SSR corrections in BNC SSR text format (see section 2.8 at https://software.rtcm-ntrip.org/export/HEAD/ntrip/trunk/BNC/src/bnchelp.html (cherry picked from commit 942b034)
Used for IONO SSR spherical harmonics corrections
This will be required in order to use the ionospheric model from SSR corrections Also, added a test to exercise this new feature (data files that have been used for the tests have been included in this commit as well)
These corrections are delivered as Spherical Harmonics.
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This feature looks to be a nice addition to the code, but it still includes a very large number of unnecessary and unrelated white space changes which make reviewing the changes difficult and creates churn in the code. |
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Add support to parse and apply ionospheric corrections delivered via RTCM by the International GNSS Service
This pull request has been proposed based on an initial pull request proposed on the now obsolete
demo5branch, the repository maintainers have proposed applying the pull request on the newmainbranchAlso, the following points are noted: