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The Radio Occultation Meteorology Satellite Application Facility (ROM SAF) is a decentralised processing centre under EUMETSAT which is responsible for operational processing of radio occultation (RO) data from the Metop, Sentinel-6 and Metop-SG satellites and radio occultation data from other missions. The ROM SAF delivers geophysical variables in near real-time for NWP users, as well as offline RO data and reprocessed Climate Data Records (CDRs) and Interim Climate Data Records (ICDRs) for users requiring a higher degree of homogeneity of the RO data sets. The CDRs and ICDRs are further processed into globally gridded monthly-mean data for use in climate monitoring and climate science applications. The ROM SAF also maintains the Radio Occultation Processing Package (ROPP) which contains software modules that aid users wishing to process, quality-control and assimilate radio occultation data from any radio occultation mission into NWP and other models.
ROM SAF also provides a service which monitors the quality of RO data from available missions by using NWP models:
- ROM SAF Met Office NRT monitoring: NRT monitoring
- ROM SAF ECMWF NRT monitoring: ECMWF monitoring
News
Publication of ROM SAF Operations Report 2024 H2
This report covers the 7-month period June-December (H2) of 2024. Read more here.
[March 13, 2025]
Publication of report from the 8th ROM SAF User Workshop
We have released the report from the 8th EUMETSAT ROM SAF User Workshop on GNSS radio occultation measurements, held at ECMWF, Reading, UK, on 11-13 June 2024. Read more here.
[December 20, 2024]
Publication of ROM SAF VS41 Report
This project looked at the quality control procedures that NWP centres use for assimilating GNSS-RO bending angles. The super-refraction checks were examined in detail, and large differences were found between the methods that various centres use. Read more here.
[November 5, 2024]
Publication of ROM SAF Operations Report 2024 H1
This report covers the 5-month period January-May (H1) of 2024. Read more here.
[September 6, 2024]
Release of software package ROPP version 11.3
The ROM SAF announces the release of ROPP-11.3, the latest update of the Radio Occultation Processing Package (ROPP). Read more here.
[July 11, 2024]
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