Near Real-time SMAP L1B Radiometer Half-Orbit Time-Ordered Brightness Temperatures, Version 105 (SPL1BTB_NRT) 31 October 2024 to present ANTENNA TEMPERATURE BRIGHTNESS TEMPERATURE
Near Real-time SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture, Version 107 (SPL2SMP_NRT) 31 October 2024 to present BRIGHTNESS TEMPERATURE SURFACE SOIL MOISTURE
SMAP Enhanced L1C Radiometer Half-Orbit 9 km EASE-Grid Brightness Temperatures, Version 3 (SPL1CTB_E) 31 March 2015 to present BRIGHTNESS TEMPERATURE
SMAP Enhanced L1C Radiometer Half-Orbit 9 km EASE-Grid Brightness Temperatures, Version 4 (SPL1CTB_E) 31 March 2015 to present BRIGHTNESS TEMPERATURE
SMAP Enhanced L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture, Version 5 (SPL2SMP_E) 31 March 2015 to present BRIGHTNESS TEMPERATURE SURFACE SOIL MOISTURE
SMAP Enhanced L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture, Version 6 (SPL2SMP_E) 31 March 2015 to present BRIGHTNESS TEMPERATURE SURFACE SOIL MOISTURE
SMAP Enhanced L3 Radiometer Global and Northern Hemisphere Daily 9 km EASE-Grid Freeze/Thaw State, Version 3 (SPL3FTP_E) 31 March 2015 to present BRIGHTNESS TEMPERATURE FREEZE/THAW TRANSITION DIRECTION
SMAP Enhanced L3 Radiometer Global and Northern Hemisphere Daily 9 km EASE-Grid Freeze/Thaw State, Version 4 (SPL3FTP_E) 31 March 2015 to present TRANSITION DIRECTION
SMAP Enhanced L3 Radiometer Global and Polar Grid Daily 9 km EASE-Grid Soil Moisture, Version 5 (SPL3SMP_E) 31 March 2015 to present BRIGHTNESS TEMPERATURE SURFACE SOIL MOISTURE
SMAP Enhanced L3 Radiometer Global and Polar Grid Daily 9 km EASE-Grid Soil Moisture, Version 6 (SPL3SMP_E) 31 March 2015 to present BRIGHTNESS TEMPERATURE SURFACE SOIL MOISTURE
SMAP L1A Radar Time-Ordered Parsed Telemetry, Version 1 (SPL1AA) 13 April 2015 to 7 July 2015 SIGMA NOUGHT
SMAP L1A Radiometer Time-Ordered Parsed Telemetry, Version 2 (SPL1AP) 31 March 2015 to present SENSOR COUNTS
SMAP L1B Radar Half-Orbit Time-Ordered Low-Resolution σo Data, Version 1 (SPL1BS0) 13 April 2015 to 7 July 2015 SIGMA NOUGHT
SMAP L1B Radiometer Half-Orbit Time-Ordered Brightness Temperatures, Version 5 (SPL1BTB) 31 March 2015 to present ANTENNA TEMPERATURE BRIGHTNESS TEMPERATURE
SMAP L1B Radiometer Half-Orbit Time-Ordered Brightness Temperatures, Version 6 (SPL1BTB) 31 March 2015 to present BRIGHTNESS TEMPERATURE
SMAP L1C Radar Half-Orbit High-Resolution σo Data on 1 km Swath Grid, Version 1 (SPL1CS0) 13 April 2015 to 7 July 2015 SIGMA NOUGHT
SMAP L1C Radiometer Half-Orbit 36 km EASE-Grid Brightness Temperatures, Version 5 (SPL1CTB) 31 March 2015 to present BRIGHTNESS TEMPERATURE
SMAP L1C Radiometer Half-Orbit 36 km EASE-Grid Brightness Temperatures, Version 6 (SPL1CTB) 31 March 2015 to present BRIGHTNESS TEMPERATURE
SMAP L2 Radar Half-Orbit 3 km EASE-Grid Soil Moisture, Version 3 (SPL2SMA) 13 April 2015 to 7 July 2015 SIGMA NAUGHT SOIL MOISTURE
SMAP L2 Radar/Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture, Version 3 (SPL2SMAP) 13 April 2015 to 7 July 2015 BRIGHTNESS TEMPERATURE SIGMA NAUGHT SOIL MOISTURE
SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture, Version 8 (SPL2SMP) 31 March 2015 to present BRIGHTNESS TEMPERATURE SURFACE SOIL MOISTURE
SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture, Version 9 (SPL2SMP) 31 March 2015 to present BRIGHTNESS TEMPERATURE SURFACE SOIL MOISTURE
SMAP L3 Radar Global Daily 3 km EASE-Grid Soil Moisture, Version 3 (SPL3SMA) 13 April 2015 to 7 July 2015 SIGMA NAUGHT SOIL MOISTURE
SMAP L3 Radar Northern Hemisphere Daily 3 km EASE-Grid Freeze/Thaw State, Version 3 (SPL3FTA) 13 April 2015 to 7 July 2015 FREEZE/THAW SIGMA NAUGHT TRANSITION DIRECTION
SMAP L3 Radar/Radiometer Global Daily 9 km EASE-Grid Soil Moisture, Version 3 (SPL3SMAP) 13 April 2015 to 7 July 2015 BRIGHTNESS TEMPERATURE SIGMA NAUGHT SOIL MOISTURE
SMAP L3 Radiometer Global and Northern Hemisphere Daily 36 km EASE-Grid Freeze/Thaw State, Version 3 (SPL3FTP) 31 March 2015 to present BRIGHTNESS TEMPERATURE FREEZE/THAW TRANSITION DIRECTION
SMAP L3 Radiometer Global and Northern Hemisphere Daily 36 km EASE-Grid Freeze/Thaw State, Version 4 (SPL3FTP) 31 March 2015 to present TRANSITION DIRECTION
SMAP L3 Radiometer Global Daily 36 km EASE-Grid Soil Moisture, Version 8 (SPL3SMP) 31 March 2015 to present BRIGHTNESS TEMPERATURE SURFACE SOIL MOISTURE
SMAP L3 Radiometer Global Daily 36 km EASE-Grid Soil Moisture, Version 9 (SPL3SMP) 31 March 2015 to present BRIGHTNESS TEMPERATURE SURFACE SOIL MOISTURE
SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Analysis Update, Version 7 (SPL4SMAU) 31 March 2015 to present ROOT ZONE SOIL MOISTURE SURFACE SOIL MOISTURE
SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Geophysical Data, Version 7 (SPL4SMGP) 31 March 2015 to present ROOT ZONE SOIL MOISTURE SURFACE SOIL MOISTURE
SMAP L4 Global 9 km EASE-Grid Surface and Root Zone Soil Moisture Land Model Constants, Version 7 (SPL4SMLM) 31 March 2015 to present SOIL CLASSIFICATION SOIL DEPTH SOIL POROSITY SOIL TEXTURE TERRAIN ELEVATION
SMAP L4 Global Daily 9 km EASE-Grid Carbon Net Ecosystem Exchange, Version 7 (SPL4CMDL) 31 March 2015 to present GROSS PRIMARY PRODUCTION (GPP) HETEROTROPHIC RESPIRATION (RH) NET ECOSYSTEM CO2 EXCHANGE (NEE) SOIL ORGANIC CARBON (SOC)
SMAP/Sentinel-1 L2 Radiometer/Radar 30-Second Scene 3 km EASE-Grid Soil Moisture, Version 3 (SPL2SMAP_S) 31 March 2015 to present BRIGHTNESS TEMPERATURE SIGMA NAUGHT SURFACE SOIL MOISTURE