What are the latencies for SMAP radiometer data sets?

The following table describes both the required and actual latencies for the different SMAP radiometer data sets. Latency is defined as the time (# days, hh:mm:ss) from data acquisition to product generation.

Short name Title Latency
Required Actual (mean1)
SPL1AP SMAP L1A Radiometer Time-Ordered Parsed Telemetry  12:00:00 4:32:02
SPL1BTB SMAP L1B Radiometer Half-Orbit Time-Ordered Brightness Temperatures  12:00:00 6:16:43
SPL1CTB SMAP L1C Radiometer Half-Orbit 36 km EASE-Grid Brightness Temperatures 24:00:00 6:17:25
SPL1CTB_E SMAP Enhanced L1C Radiometer Half-Orbit 9 km EASE-Grid Brightness Temperatures 24:00:00 10:57:50
SPL2SMP SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture 24:00:00  15:36:51
SPL2SMP_E SMAP Enhanced L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture 24:00:00 15:46:38
SPL3SMP SMAP L3 Radiometer Global Daily 36 km EASE-Grid Soil Moisture 50:00:00 29:09:32
SPL3SMP_E SMAP Enhanced L3 Radiometer Global Daily 9 km EASE-Grid Soil Moisture 50:00:00 38:41:35
SPL3FTP SMAP L3 Radiometer Northern Hemisphere Daily 36 km EASE-Grid Freeze/Thaw State 50:00:00 34:03:40
SPL3FTP_E SMAP Enhanced L3 Radiometer Northern Hemisphere Daily 9 km EASE-Grid Freeze/Thaw State 50:00:00 40:23:23
SPL4SMAU SMAP L4 Global 3-hourly 9 km Surface and Rootzone Soil Moisture Analysis Update 7 days 2 days, 15:53:00
SPL4SMGP SMAP L4 Global 3-hourly 9 km Surface and Rootzone Soil Moisture Geophysical Data 7 days 2 days, 15:53:00
SPL4CMDL SMAP L4 Global Daily 9 km Carbon Net Ecosystem Exchange 14 days 9 days, 23:23:00

1 Mean latency under normal operating conditions