Level 2B Major Differences

The versions of the SISes referred to here are:

Level 2B Data SIS-2, SeaWinds/ADEOS-II Era, rev D, October 2003
Level 2B Data SIS-2, QuikSCAT Era, April 2000

Sec #	Section Name	SeaWinds on ADEOS-II	SeaWinds on QuikSCAT
1.3	Content Overview	The Level 2B Processor can incorporate a correction ... from collocated observations of AMSR or global climatological maps ... based on SSM/I data	The Level 2B Processor can incorporate ... corrections ... drawn from global climatological maps ... based on SSM/I data.
1.4	Related Interfaces	AMSR Level 1B Data
1.5	Applicable Documents	HDF Version 4.1r5	HDF Version 4.1r2
1.6.5	Coordinate Systems	The x-axis points approximately in the direction of flight ... The definition of the spacecraft local coordinate system for the SeaWinds mission differs from QuikSCAT.	The y-axis points in the direction of flight.
2.3	SeaWinds File Names	SW_S2Bnnnnn.yyyydddhhmm	QS_S2Bnnnnn.yyyydddhhmm
3.5.1	amsr_channel	Strings that list the channels of AMSR that contribute.
3.5.2	amsr_rain _indicator	The ambient atmospheric conditions.
3.5.27 3.5.28 3.5.29 3.5.30	num_in_aft num_in_fore num_out_aft num_out_fore	maximum_value: 32	maximum_value: 127
3.5.54	sigma0 _attenuation _method	valid_values: 'AMSR and Attenuation Map', 'Attenuation Map' or 'None'	valid_values: 'Attenuation Map' or 'None'
3.5.55	sigma0 _granularity	slice composites: Sigma0s based on the subset of the best eight slices in a single pulse that lie in the same wind vector cell.	slice composites: sigma0s based on all of the slices of one pulse which lie in the same wind vector cell.
		valid_values: 'whole pulses' or 'slice composites'	valid_values: 'whole pulses', 'slice composites', 'composites of composites', 'pulse slices'
3.5.59	srad_rain_rate	Columnar rain rate for each wind vector cell.
3.5.71	wvc_quality _flag also 1.6.7	bit flag 2 Attenuation Method Data Flag 3-4 Available AMSR Attenuation Flag 5-6  AMSR Weather Condition Flag 15 AMSR Rain Indicator Flag	bit flag 2-6  Reserved for future use 15 Spare
3.5.73	wvc_row_time also 3.5.8, 3.5.42, 3.5.47, 3.5.49, 3.5.57, 3.5.58	maximum_value: 2016-366T23:59:60.999	maximum_value: 2008-366T23:59:60.999