Opened 7 years ago
Closed 6 years ago
#503 closed enhancement (fixed)
Implement the 'Kappa' residual ionospheric correction
| Reported by: | Stig Syndergaard | Owned by: | Stig Syndergaard |
|---|---|---|---|
| Priority: | normal | Milestone: | DMI ROPP developments |
| Component: | ropp_pp | Version: | 9.0 |
| Keywords: | Cc: |
Description
The 'Kappa' correction published in https://www.atmos-meas-tech.net/8/3385/2015/ should be implemented in ropp_pp_occ_tool.
- Consider if it should be just the simple version (with Kappa = 14/rad), or also considering the findings in https://www.atmos-meas-tech-discuss.net/amt-2017-162/
- Be aware of the challenge to implement this such that it is included also in the Optimal Linear Combination (OLC) approach to ionospheric correction. The issue there is that the Kappa correction perhaps needs to be made to L1 and L2 separately before the OLC, or perhaps to be applied to the stat.opt BA after the OLC.
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A Chapman layer Kappa function was implemented in a new subroutine that could be extended to a more elaborate function along the lines in https://www.atmos-meas-tech.net/11/2213/2018/amt-11-2213-2018.html
Implemented with an option so that we are able to exclude the correction for ICDR generation, since it was not implemented in the ROM SAF CDR v1.0.