Advanced Very High Resolution Radiometer/3 (AVHRR)

Visible/infrared imaging radiometer for global measurement of cloud cover, sea surface temperature, ice, snow and vegetation cover and characteristics, 6 channels.

For more information, see the AVHRR page.

High resolution Infrared Radiation Sounder/4 (HIRS)

Atmospheric Sounder for temperature and humidity profiles, surface temperature, cloud parameters and total ozone, 19 infrared channels (3.8-15µm), 1 visible channel.

For more information, see the HIRS page.

Advanced Microwave Sounding Unit A1 and A2 (AMSU-A)

Microwave sounder for temperature sounding under clear and overcast conditions, 15 channels in the 23 to 90 GHz frequency range.

For more information, see the AMSU-A page.

Microwave Humidity Sounder (MHS)

MHS is a self-calibrating, cross-track scanning, five-channel microwave, full-power radiometer operating in the 89 to 190 GHz range to provide information on atmospheric water vapour.

For more information, see the MHS page.

Advanced Data Collection System/2 (A- DCS)

UHF receiver (401.65 MHz) and signal processor for locating and/or collecting meteorological data from remote fixed and free floating terrestrial and atmospheric platforms.

For more information, see the A-DCS page.

Search and Rescue Satellite (SARSAT) aided Tracking System

VHF/UHF transponder and signal processor for locating and collecting information from remote distress platforms such as Emergency Locator Transmitters (ELTs), and Emergency Position Indicating Radio Beacons (EPIRBs).

For more information, see the SAR page.

Space Environment Monitor (SEM)

Multi-channel charged particle spectrometer for measurements of the population of the earth's radiation belts and the solar proton and electron flux density. SEM consists of a common Data Processing Unit (PDU), two separate sensors, the Total Energy Detector (TED) and the Medium Energy Proton and Electron Detector (MEPED).

For more information, see the SEM page.

Infrared Atmospheric Sounding Interferometer (IASI)

Infrared Michelson Interferometer for temperature sounding, water vapour, and ozone monitoring. IASI covers the spectral range from 3.62-15.5 µm, 2112 km swath width and a resolution of 12 km at nadir.

For more information, see the IASI page.

Advanced Scatterometer (ASCAT)

Pulsed radar in C-band at 5.2555 GHz for global sea surface wind vector measurement. ASCAT has two 500 km wide swaths with spatial resolution <50 km.

For more information, see the ASCAT page.

Global Navigation Satellite System Receiver for Atmospheric Sounding (GRAS)

Radio occultation receiver for atmosphere sounding of temperature and humidity profiles.

For more information, see the GRAS page.

Global Ozone Monitoring Experiment (GOME)

Nadir viewing UV and visible spectrometer to measure radiation back-scattered from the atmosphere and reflected from the earth surface in the UV and visible range 240-790 nm with a spectral resolution of 0.2-0.4 nm.

For more information, see the GOME page.

Solar Backscatter Ultra-Violet Spectral Radiometer/2 (SBUV)

Dual monochromatic UV grating spectrometer and a fixed-spectral-band UV radiometer.

For more information, see the NOAA KLM User's Guide, section 3.8.