EO:EUM:DAT:0442

Global IASI-NG Level 1c Spectral Radiance (netCDF) - Metop-SG

IASI-NG, a passive infrared sounder, measures temperature and water vapour profiles of the Earth’s atmosphere. IASI-NG also has a huge potential to measure greenhouse gases, clouds, aerosols, ozone, and trace gases. A scan line is made of 14 fields of regard (FOR) consisting of 4X4 instantaneous and individual fields of view (FOV), with each FOV having a 12km ground resolution. IASI-NG L1c product provides calibrated radiance and geolocated radiance emitted by the Earth over 16921 spectral samples between 645.0 cm-1 and 2760 cm-1 (15.5 µm and 3.63 µm) in four contiguous bands. The raw spectra received from the instrument are rendered independent of the instrument SRF effects by applying a so-called “ISRF removal” i.e. a correction of the effects of the instrument self-apodisation.

Satellite: Metop-SG

Instrument: IASI-NG

Temporal Extent: 2026-10-07 - now

Orbit Type: LEO

Data Policy: NoConditions

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