25/02/2020 – new coefficients for HY-2A MWRI replacing previous erroneous version
18/02/2020 – new coefficients for FY-4A GIIRS
17/12/2019 – updated coefficients for FY-3D HIRAS NSR and FSR
05/12/2019 – updated channel polarisations for Metop-SG MWS
05/12/2019 – modified sensor ID for HY-2A MWRI
05/12/2019 – new coefficients for Jason-CS AMR-C
26/11/2019 – new coefficients for Electro-L No2 MSU-GS
21/10/2019 – update Geo-Kompsat-2A coefficients with latest SRF data
16/10/2019 – new coefficients for old sensors on the Nimbus platforms created for Copernicus Climate Change Services: IRIS, HRIR, MRIR, SIRS
21/08/2019 – add MFASIS LUT files for MSG-1 and 2 SEVIRI
11/07/2019 – new coefficients for FY-3C VIRR
23/04/2019 – add NLTE coefficients to CrIS and CrIS FSR coefficient files
25/03/2019 – updates for v12.3 release: new HTFRTC static file enabling new features including additional trace gases, and new MFASIS LUT files for SEVIRI enabling the new water vapour correction for the 0.8um channel
06/03/2019 – fix in MERSI-2 coefficients: the file contained an extra channel (channel 4 was a duplicate of channel 3) which has been removed so that it now has 25 channels
11/12/2018 – new coefficients for FY-3D HIRAS
26/11/2018 – new coefficients for MERSI-2 and Metop-C AVHRR central wavenumbers and band correction coefficients updated with new information (optical depth coefficient values are unchanged)
18/02/2016 – add Mietable files for MWS and MWI (under MW instruments).
20/01/2016 – add coefficients for INSAT3-D imager and sounder instruments (under IR instruments).
19/11/2015 – add coefficients for MWR instrument (under MW instruments).
17/11/2015 – add coefficients for ECOSTRESS instrument on the ISS (under IR instruments).
16/11/2015 – updates to v9 predictor coefficients for AVHRR on Metop and NOAA 15-18, VISSR on FY2-3 and 4, ASTER and VIIRS: non-solar channels are now only trained over the more limited range of zenith angles up to 65 degrees (under VIS/IR instruments).
25/09/2015 – new PC-RTTOV coefficients valid over all surface types for RTTOV v11.3 (under hi-res IR instruments).
25/09/2015 – all IR and MW v7/v8 predictor coefficients regenerated with bugs fixed in coefficient generation. (NB Work is underway to generate new Zeeman coefficients; the AMSU-A shifted coefficients are under review and have not been regenerated; v9 predictor and SSU coefficients are unaffected and have not been regenerated).
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