Subject: ground-segment-maintenance Impact: data-unavailable Detail: New Meteosat MPEF (Meteorological Product Extraction Facility) release, for an update of the calibration coefficients for the visible channels (VIS-0.6, VIS-0.8, VIS-1.6, and HRVIS) of all three spacecraft. Additionally, the parameter identifiers in the OCA GRIB products will be modified. There will be a 2-hour down time followed by a 4-hour high risk period between 09:00 and 15:00 UTC on 9 August 2017 for the IODC service and the 9.5 degree RSS and on 10 August 2017 for the 0 degree service. For full details, see the URL provided below Url: https://www.eumetsat.int/website/home/News/DAT_3559394.html Status: scheduled Issue Time: 2017-07-13 08:29:53.0 Services: 0° Meteosat Meteorological Products IODC Meteosat Meteorological Products RSS Meteosat Meteorological Products Type: Service Enhancement Ann Nr: 3051 Rev: 1 Start Time: 2017-08-09 15:07:00.0 Satellites: NOAA-18 Subsystem: all-instruments