CEOS EO HANDBOOK – INSTRUMENT SUMMARY - RO -
Full Name RO Status Being developed
Instrument Agencies EUMETSAT, ESA Maturity
Instrument Type Atmospheric temperature and humidity sounders Geometry Occultation
Instrument Technology GNSS radio-occultation receiver Sampling Sounding
Data Access Open Access Data Format NetCDF-4 and BUFR
Measurements and Applications GNSS receiver for atmospheric temperature and humidity profile sounding.
Resolution Summary horizontal: 200 km vertical: 0.5-1 km
Swath Summary Altitude range of 0-50 km (atmospheric bending angle, refractivity, temperature) 0-15 km (humidity) 80-500 km (ionospheric bending angle, electron density)
Accuracy Summary Temperature sounding better 1 K rms
Waveband Summary L-Band 1575.42, 1176.45 MHz
L-Band (2 - 1 GHz)
Instrument Measurements
Measurements Overview
CategoryParameter
Atmospheric Humidity FieldsAtmospheric specific humidity (LT, HT)
Atmospheric Temperature FieldsAtmospheric temperature (LT, HT, LS, HS&M)
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Temperature (upper-air) click here click here search ECV Inventory records
Water Vapour (upper air) click here click here search ECV Inventory records
Instrument Missions
METOP-SG A1 - EUMETSAT Polar System, Second Generation (2025 - 2032)
METOP-SG B1 - EUMETSAT Polar System, Second Generation (2025 - 2033)
METOP-SG A2 - EUMETSAT Polar System, Second Generation (2032 - 2039)
METOP-SG B2 - EUMETSAT Polar System, Second Generation (2032 - 2040)
METOP-SG A3 - EUMETSAT Polar System, Second Generation (2039 - 2046)
METOP-SG B3 - EUMETSAT Polar System, Second Generation (2039 - 2047)