Appendix I: Technology Trends and Drivers:
Characteristics of Future Advanced Satellite Instruments

Instrument Payloads for the Initial Joint Polar System

Instrument on Metop-1,2,3	Instrument on NOAA-N,N'	Full Name	Primary Function
AVHRR/3*	AVHRR/3	Advanced Very High Resolution Radiometer	Global imagery of clouds, the ocean and land surface
HIRS/4	HIRS/3	High Resolution Infrared Radiation Sounder	Temperature and humidity of the global atmosphere in cloud-free conditions
AMSU-A*	AMSU-A	Advanced Microwave Sounding Unit-A	Temperature of the global atmosphere in all weather conditions
MHS	MHS	Microwave Humidity Sounder	Humidity of the global atmosphere
IASI		Infrared Atmospheric Sounding Interferometer	Enhanced atmospheric soundings
GRAS		Global Navigation Satellite System Receiver for Atmospheric Sounding	Temperature of the upper troposphere and in the stratosphere with high vertical resolution
ASCAT		Advanced Scatterometer	Near-surface wind speeds over the global oceans
	SBUV	Solar Backscattered Ultraviolet ozone probe	Total atmospheric ozone
GOME-2*		Global Ozone Experiment-2	Monitoring Profiles of ozone and other atmospheric constituents

Instrument	Satellite	Launch	Primary Function
VIIRS	NPP	2006	Visible and infrared radiometric imager for: clouds, Earth radiation budget, land/water and sea surface temperature, ocean color, and low light imagery
CrIS	NPP	2006	Hyperspectral infrared sounder for temperature, humidity, greenhouse gases
OMPS	NPP	2006	UV and visible measurements for atmospheric ozone mapping and profiling
VIIRS	NPOESS	2009	Visible and infrared radiometric imager for: clouds, Earth radiation budget, land/water and sea surface temperature, ocean color, and low light imagery
CMIS	NPOESS	2009	Microwave imagery and soundings for temperature, humidity, ocean surface winds, precipitation, cloud properties, soil moisture, snow and ice cover, SST
CrIS	NPOESS	2009	Hyperspectral infrared sounder for temperature, humidity, greenhouse gases
OMPS	NPOESS	2009	UV and visible measurements for atmospheric ozone mapping and profiling
SESS	NPOESS	2009	Observations of neutral and charged particles, electron and magnetic fields, and optical signatures of aurora.
APS	NPOESS	2009	Aerosol and cloud parameters using multispectral photopolarimetry
ATMS	NPOESS	2009	Microwave soundings of temperature and moisture
ERBS	NPOESS	2009	Earth Radiation Budget
RADAR Altimeter	NPOESS	2009	Sea level height
TSIS	NPOESS	2009	Total solar irradiance monitor and 0.2- 2 micron solar spectral irradiance

Instrument	Satellite	Launch	Primary Function
POLDER	Parasol	2005	Observations of directionality and polarization of reflected sunlight for radiative and microphysical properties of clouds and aerosols
CPR	CloudSat	2005	Radar observations of vertical profiles of cloud liquid water and ice water contents and related cloud physical and radiative properties
CALIOP	CALIPSO	2005	Lidar observations of aerosols and thin cloud profiles
GPS/OS	COSMIC	2006	Radio occultation soundings of temperature and humidity
MIRAS	SMOS	2007	Long wavelength microwave observations of soil moisture and ocean salinity
Doppler lidar	ADM	2009	Lidar observations of winds
GMI, DPR	GPM	2010	Passive microwave and radar observations of precipitation
GIFTS	EO-3/IGL	TBD	Hyperspectral, high spatial resolution temperature, water vapor, and wind soundings