netcdf WOCEV3_sadcp {
dimensions:
         depth = defined_by_cruise;  // number of profile levels 
         time = unlimited;   // date-time-group

variables:
       float depth(depth);
              depth:long_name = "depth";
              depth:units = "meters";
              depth:positive = "down";
              depth:data_min =     ;
              depth:data_max =      ;
        long time(time);
              time:long_name = "time";
              time:units = "minutes since 1980-1-1 0:0:0";
              time:data_min =     ;
              time:data_max =        ;
        double decday(time);
              decday:long_name = "Decimal Day" ;
              decday:units = "days relative to ????-1-1 0:0:0"; // f(cruise)
              decday:data_min =    ;
              decday:data_max =    ;
        long  woce_date(time);
              woce_date:long_name = "WOCE date";
              woce_date:units="yyyymmdd UTC";
              woce_date:data_min =         ;
              woce_date:data_max =         ;
        float woce_time(time);
              woce_time:long_name = "WOCE time of day";
              woce_time:units="hhmmss.dd UTC";
              woce_time:data_min =    ;
              woce_time:data_max =          ;
        float longitude(time) ;
              longitude:long_name = "longitude";
              longitude:units = "degrees_E" ;
              longitude:data_min =       ;
              longitude:data_max =       ;
              longitude:instrument = "nominally GPS";
              longitude:valid_min = -180.0;// cross Dateline?, then=0.
              longitude:valid_max =  180.0;// cross Dateline?, then=360.
              longitude:_FillValue = 1.0e+38f;
              longitude:C_format = "%9.4e";
              longitude:F_format = "e9.4";
        float latitude(time) ;
              latitude:long_name = "latitude" ;
              latitude:units = "degrees_N" ;
              latitude:data_min =      ;
              latitude:data_max =       
              latitude:instrument = "nominally GPS";
              latitude:valid_min = -90.0;
              latitude:valid_max =  90.0;
              latitude:_FillValue = 1.0e+38f;
              latitude:C_format = "%8.4e";
              latitude:F_format = "e8.4";
        float trans_temp(time) ;
              trans_temp:long_name = "ADCP transducer temperature";
              trans_temp:units = "degrees C";
              trans_temp:data_min =    ;
              trans_temp:data_max =     ;
              trans_temp:_FillValue = 1.0e+38f;
              trans_temp:instrument = "nominally thermistor";
              trans_temp:valid_min = 0.0;
              trans_temp:valid_max = 40.0;
              trans_temp:C_format = "%4.1e";
              trans_temp:F_format = "e4.1";
        float sd_trans_temp(time) ;
              sd_trans_temp:long_name = "transducer temperature (standard deviation)";
              sd_trans_temp:units = "degrees C";
              sd_trans_temp:data_min =     ;
              sd_trans_temp:data_max =     ;
              sd_trans_temp:_FillValue = 1.0e+38f;
              sd_trans_temp:instrument = "nominally thermistor";
              sd_trans_temp:valid_min =    ; 
              sd_trans_temp:valid_max =     ; 
              sd_trans_temp:C_format = "%5.2e"; 
              sd_trans_temp:F_format = "e5.2";
        float ship_u(time);
              ship_u:long_name = "eastward ship speed (hourly mean)";
              ship_u:units = "meters per second";
              ship_u:data_min =    ; 
              ship_u:data_max =    ;
              ship_u:_FillValue = 1.0e+38f;
              ship_u:instrument = "optimized position based on ADCP and GPS";
              ship_u:valid_min = -15.0;
              ship_u:valid_max =  15.0;
              ship_u:C_format = "%5.1e";
              ship_u:F_format = "e5.1";
        float sd_ship_u(time);
              sd_ship_u:long_name = "eastward ship speed (standard deviation)";
              sd_ship_u:units = "meters per second";
              sd_ship_u:data_min =      ; 
              sd_ship_u:data_max =     ;
              sd_ship_u:_FillValue = 1.0e+38f;
              sd_ship_u:instrument = "optimized position based on ADCP and GPS";
              sd_ship_u:valid_min =  0.0;
              sd_ship_u:valid_max =  15.0;
              sd_ship_u:C_format = "%5.2e";
              sd_ship_u:F_format = "e5.2";
        float ship_v(time);
              ship_v:long_name = "northward ship speed (hourly mean)";
              ship_v:units = "meters per second";
              ship_v:data_min =       ;
              ship_v:data_max =      ;
              ship_v:_FillValue = 1.0e+38f;
              ship_v:instrument = "optimized position based on ADCP and GPS";
              ship_v:valid_min = -15.0;
              ship_v:valid_max =  15.0;
              ship_v:C_format = "%5.1e";
              ship_v:F_format = "e5.1";
        float sd_ship_v(time);
              sd_ship_v:long_name = "northward ship speed (standard deviation)";
              sd_ship_v:units = "meters per second";
              sd_ship_v:data_min =     ;
              sd_ship_v:data_max =     ;
              sd_ship_v:_FillValue = 1.0e+38f;
              sd_ship_v:instrument = "optimized position based on ADCP and GPS";
              sd_ship_v:valid_min =   0.;
              sd_ship_v:valid_max =  15.;
              sd_ship_v:C_format = "%5.2e";
              sd_ship_v:F_format = "e5.2";
        float u(time, depth) ;
              u:long_name = "eastward absolute current velocity (hourly mean)" ;
              u:units = "meters per second" ;
              u:data_min =     ;
              u:data_max =     ;
              u:_FillValue = 1.0e+38f;
              u:instrument = "ADCP/GPS";
              u:valid_min = -9.9;
              u:valid_max =  9.9;
              u:C_format = "%6.3e";
              u:F_format = "e6.3";
        float v(time, depth) ;
              v:long_name = "northward absolute current velocity (hourly mean)" ;
              v:units = "meters per second" ;
              v:data_min =     ;
              v:data_max =     ;
              v:_FillValue = 1.0e+38f;
              v:instrument = "ADCP/GPS";
              v:valid_min = -9.9;   
              v:valid_max =  9.9;
              v:C_format = "%6.3e";  
              v:F_format = "e6.3";

// global attributes: (note example from JASADCP cruise 00013 below)
      
                :WOCE_Version = "3.0";
                :CONVENTIONS = "COARDS/WOCE";  
                :DATA_TYPE = "TRACK" ;
                :DATA_SUB_TYPE = "SADCP" ;
                :INST_TYPE = "SADCP" ;
                :DATA_ORIGIN = " UNIVERSITY OF HAWAII" ;
                :EXPOCODE = "316N138_9 " ;
                :WOCE_ID = "P16A,P17A " ;
                :CRUISE_NAME = "KN9210" ;
                :DAC_ID = "00013" ;
                :FILE_SOURCE = "00013.sub" ;
                :FILE_DATE = "05 Feb 2002" ;
                :TIME_INTERVAL_BETWEEN_DATA = "hour" ;
                :TIME_AVERAGING_SCHEME = "mean centered on hour" ;
                :DEPTH_INTERVAL_BETWEEN_DATA = "10 meters" ;
                :DEPTH_AVERAGING_SCHEME = "mean centered on given depth" ;
                :SHIP_POSITION = "average over hour" ;
}