netcdf s1b-ew-ocn-hh-20200524t223727-20200524t223834-021729-0293E2-001 {
dimensions:
	rvlRaSize = 112 ;
	length = 26 ;
	rvlAzSize = 382 ;
	rvlSwath = 5 ;
	owiRaSize = 422 ;
	owiAzSize = 405 ;
	owiIncSize = 277 ;
	owiPolarisation = 1 ;
	oswRaSize = 1 ;
	oswAzSize = 1 ;
	oswWavenumberBinSize = 1 ;
	oswAngularBinSize = 1 ;
	oswPartitions = 1 ;
	oswKxBinSize = 1 ;
	oswKyBinSize = 1 ;
	oswLag = 1 ;
variables:
	float oswPolSpec(oswAzSize, oswRaSize, oswAngularBinSize, oswWavenumberBinSize) ;
		oswPolSpec:units = "m^4" ;
		oswPolSpec:long_name = "estimated swell spectrum on log-polar grid" ;
	byte oswPartitions(oswAzSize, oswRaSize, oswAngularBinSize, oswWavenumberBinSize) ;
		oswPartitions:_FillValue = -128b ;
		oswPartitions:units = "adimentional" ;
		oswPartitions:long_name = "wave partition numbers" ;
	float oswQualityCrossSpectraRe(oswAzSize, oswRaSize, oswAngularBinSize, oswWavenumberBinSize) ;
		oswQualityCrossSpectraRe:units = "(m/rad)^2" ;
		oswQualityCrossSpectraRe:long_name = "real part of cross spectra log-polar grid" ;
	float oswQualityCrossSpectraIm(oswAzSize, oswRaSize, oswAngularBinSize, oswWavenumberBinSize) ;
		oswQualityCrossSpectraIm:units = "(m/rad)^2" ;
		oswQualityCrossSpectraIm:long_name = "imaginary part of cross spectra log-polar grid" ;
	float oswK(oswWavenumberBinSize) ;
		oswK:units = "rad/m" ;
		oswK:long_name = "array of the wavenumbers for polar spectra" ;
	float oswPhi(oswAngularBinSize) ;
		oswPhi:units = "degrees" ;
		oswPhi:long_name = "array of angular values for polar spectra" ;
	float oswAzCutoff(oswAzSize, oswRaSize) ;
		oswAzCutoff:units = "m" ;
		oswAzCutoff:long_name = "azimuth cut-off wavelength" ;
	float oswRaCutoff(oswAzSize, oswRaSize) ;
		oswRaCutoff:units = "m" ;
		oswRaCutoff:long_name = "range cut-off wavelength" ;
	float oswSpecRes(oswAzSize, oswRaSize, oswAngularBinSize) ;
		oswSpecRes:units = "m" ;
		oswSpecRes:long_name = "azimuth cut-off wavelength as function of wave direction" ;
	float oswLon(oswAzSize, oswRaSize) ;
		oswLon:units = "degrees_east" ;
		oswLon:long_name = "Longitude at cell center" ;
		oswLon:standard_name = "longitude" ;
	float oswLat(oswAzSize, oswRaSize) ;
		oswLat:units = "degrees_north" ;
		oswLat:long_name = "Latitude at cell center" ;
		oswLat:standard_name = "latitude" ;
	float oswHs(oswAzSize, oswRaSize, oswPartitions) ;
		oswHs:_FillValue = -999.f ;
		oswHs:units = "m" ;
		oswHs:long_name = "Signifiant waveheight for each partition" ;
	float oswWl(oswAzSize, oswRaSize, oswPartitions) ;
		oswWl:_FillValue = -999.f ;
		oswWl:units = "m" ;
		oswWl:long_name = "Dominant wave length for each partition" ;
	float oswDirmet(oswAzSize, oswRaSize, oswPartitions) ;
		oswDirmet:_FillValue = -999.f ;
		oswDirmet:units = "degrees" ;
		oswDirmet:long_name = "Dominant wave direction for each partition (with respect to North)" ;
	float oswSnr(oswAzSize, oswRaSize) ;
		oswSnr:units = "dB" ;
		oswSnr:long_name = "signal to noise ratio of cross spectra" ;
	float oswAmbiFac(oswAzSize, oswRaSize, oswPartitions) ;
		oswAmbiFac:_FillValue = -999.f ;
		oswAmbiFac:units = "adimentional" ;
		oswAmbiFac:long_name = "ambiguity factor for wave propagation direction" ;
	byte oswIconf(oswAzSize, oswRaSize, oswPartitions) ;
		oswIconf:_FillValue = -128b ;
		oswIconf:long_name = "confidance flag for wave direction resolution" ;
		oswIconf:valid_range = 0b, 1b ;
		oswIconf:flag_values = 0b, 1b ;
		oswIconf:flag_meanings = "resolved not_resolved" ;
	float oswLookSeparationTime(oswAzSize, oswRaSize) ;
		oswLookSeparationTime:units = "s" ;
		oswLookSeparationTime:long_name = "Separation time between inner and outer look" ;
	float oswNrcs(oswAzSize, oswRaSize) ;
		oswNrcs:units = "dB" ;
		oswNrcs:long_name = "Normalized Radar Cross Section" ;
	float oswInten(oswAzSize, oswRaSize) ;
		oswInten:units = "adimentional" ;
		oswInten:long_name = "input SLC image intensity estimated within each cell" ;
	float oswNv(oswAzSize, oswRaSize) ;
		oswNv:units = "adimentional" ;
		oswNv:long_name = "Normalised variance of the input SLC image estimated within each cell" ;
	float oswSkew(oswAzSize, oswRaSize) ;
		oswSkew:units = "adimentional" ;
		oswSkew:long_name = "skewness of the input SLC image estimated within each cell" ;
	float oswKurt(oswAzSize, oswRaSize) ;
		oswKurt:units = "adimentional" ;
		oswKurt:long_name = "kurtosis of the input SLC image estimated within each cell" ;
	float oswWindSpeed(oswAzSize, oswRaSize) ;
		oswWindSpeed:units = "m/s" ;
		oswWindSpeed:long_name = "SAR Wind speed" ;
	float oswWindDirection(oswAzSize, oswRaSize) ;
		oswWindDirection:units = "degrees" ;
		oswWindDirection:long_name = "SAR Wind direction (meteorological convention=clockwise direction from where the wind comes respect to North)" ;
	float oswEcmwfWindSpeed(oswAzSize, oswRaSize) ;
		oswEcmwfWindSpeed:units = "m/s" ;
		oswEcmwfWindSpeed:long_name = "ECMWF Wind speed" ;
	float oswEcmwfWindDirection(oswAzSize, oswRaSize) ;
		oswEcmwfWindDirection:units = "degrees" ;
		oswEcmwfWindDirection:long_name = "ECMWF Wind direction (meteorological convention=clockwise direction from where the wind comes respect to North)" ;
	float oswWindSeaHs(oswAzSize, oswRaSize) ;
		oswWindSeaHs:units = "m" ;
		oswWindSeaHs:long_name = "significant waveheight for the wind sea part of the total wave height" ;
	float oswWaveAge(oswAzSize, oswRaSize) ;
		oswWaveAge:units = "adimentional" ;
		oswWaveAge:long_name = "describe the state of dev. of the wind sea component of the wave spectra" ;
	float oswDepth(oswAzSize, oswRaSize) ;
		oswDepth:units = "m" ;
		oswDepth:long_name = "water depth from GEBCO data set" ;
	float oswNlWidth(oswAzSize, oswRaSize) ;
		oswNlWidth:units = "m" ;
		oswNlWidth:long_name = "non linear inverse spectral width" ;
	byte oswLandFlag(oswAzSize, oswRaSize) ;
		oswLandFlag:long_name = "land flag : 1 if presence of more than 10% of land coverage, 0 instead" ;
		oswLandFlag:valid_range = 0b, 1b ;
		oswLandFlag:flag_values = 0b, 1b ;
		oswLandFlag:flag_meanings = "no_land land" ;
	float oswLandCoverage(oswAzSize, oswRaSize) ;
		oswLandCoverage:units = "%" ;
		oswLandCoverage:long_name = "percentage of land coverage within the cell" ;
		oswLandCoverage:valid_range = 0.f, 100.f ;
	float oswIncidenceAngle(oswAzSize, oswRaSize) ;
		oswIncidenceAngle:units = "degrees" ;
		oswIncidenceAngle:long_name = "Incidence angle at cell center" ;
	float oswHeading(oswAzSize, oswRaSize) ;
		oswHeading:units = "degrees" ;
		oswHeading:long_name = "Platform heading (azimuth from North)" ;
	float oswGroundRngSize(oswAzSize, oswRaSize) ;
		oswGroundRngSize:units = "m" ;
		oswGroundRngSize:long_name = "ground range size of the estimation area" ;
	float oswAziSize(oswAzSize, oswRaSize) ;
		oswAziSize:units = "m" ;
		oswAziSize:long_name = "azimuth size of the estimation area" ;
	float oswEllipsLength(oswAzSize, oswRaSize, oswPartitions) ;
		oswEllipsLength:_FillValue = -999.f ;
		oswEllipsLength:units = "m" ;
		oswEllipsLength:long_name = "length of the major axis of the ellipsoid for Group analysis" ;
	float oswEllipsLengthStdDev(oswAzSize, oswRaSize, oswPartitions) ;
		oswEllipsLengthStdDev:_FillValue = -999.f ;
		oswEllipsLengthStdDev:units = "m" ;
		oswEllipsLengthStdDev:long_name = "standard deviation of the major axis of the ellipsoid for Group analysis" ;
	float oswEllipsWidth(oswAzSize, oswRaSize, oswPartitions) ;
		oswEllipsWidth:_FillValue = -999.f ;
		oswEllipsWidth:units = "m" ;
		oswEllipsWidth:long_name = "length of the minor axis of the ellipsoid for Group analysis" ;
	float oswEllipsWidthStdDev(oswAzSize, oswRaSize, oswPartitions) ;
		oswEllipsWidthStdDev:_FillValue = -999.f ;
		oswEllipsWidthStdDev:units = "m" ;
		oswEllipsWidthStdDev:long_name = "standard deviation of the minor axis of the ellipsoid for Group analysis" ;
	float oswGroupDir(oswAzSize, oswRaSize, oswPartitions) ;
		oswGroupDir:_FillValue = -999.f ;
		oswGroupDir:units = "degrees" ;
		oswGroupDir:long_name = "Swell direction from group analysis" ;
	byte oswQualityFlagPartition(oswAzSize, oswRaSize, oswPartitions) ;
		oswQualityFlagPartition:_FillValue = -128b ;
		oswQualityFlagPartition:long_name = "Quality flag per partition" ;
		oswQualityFlagPartition:valid_range = 0b, 3b ;
		oswQualityFlagPartition:flag_values = 0b, 1b, 2b, 3b ;
		oswQualityFlagPartition:flag_meanings = "good medium low poor" ;
	byte oswQualityFlag(oswAzSize, oswRaSize) ;
		oswQualityFlag:_FillValue = -128b ;
		oswQualityFlag:long_name = "Total quality flag" ;
		oswQualityFlag:valid_range = 0b, 3b ;
		oswQualityFlag:flag_values = 0b, 1b, 2b, 3b ;
		oswQualityFlag:flag_meanings = "good medium low poor" ;
	float oswTotalHs(oswAzSize, oswRaSize) ;
		oswTotalHs:_FillValue = -999.f ;
		oswTotalHs:units = "m" ;
		oswTotalHs:long_name = "Total significant wave height" ;
	float oswCartSpecIm(oswAzSize, oswRaSize, oswKyBinSize, oswKxBinSize, oswLag) ;
		oswCartSpecIm:_FillValue = -999.f ;
		oswCartSpecIm:units = "m^4" ;
		oswCartSpecIm:long_name = "Imaginary part of half Cartesian cross spectra between the different sub view: zero time lag; 1rst time lag; 2nd time lag" ;
	float oswCartSpecRe(oswAzSize, oswRaSize, oswKyBinSize, oswKxBinSize, oswLag) ;
		oswCartSpecRe:_FillValue = -999.f ;
		oswCartSpecRe:units = "m^4" ;
		oswCartSpecRe:long_name = "Real part of half Cartesian cross spectra between the different sub view: zero time lag; 1rst time lag; 2nd time lag" ;
	float oswKx(oswKxBinSize) ;
		oswKx:_FillValue = -999.f ;
		oswKx:units = "m/m" ;
		oswKx:long_name = "Positive frequencies array of the Cartesian crossSpectra on Range direction" ;
	float oswKy(oswKyBinSize) ;
		oswKy:_FillValue = -999.f ;
		oswKy:units = "m/m" ;
		oswKy:long_name = "frequencies array of the Cartesian crossSpectra on Azimuth direction" ;
	float oswJx(oswKxBinSize) ;
		oswJx:_FillValue = -999.f ;
		oswJx:units = "m/m" ;
		oswJx:long_name = "Jacobian of the non linear resampling on Range direction of the cartesian CrossSpectra (Half corresponding to positive frequencies)" ;
	float oswJy(oswKyBinSize) ;
		oswJy:_FillValue = -999.f ;
		oswJy:units = "m/m" ;
		oswJy:long_name = "Jacobian of the non linear resampling on Azimuth direction of the cartesian CrossSpectra" ;
	float owiHs(oswAzSize, oswRaSize, oswPartitions) ;
		owiHs:_FillValue = -999.f ;
		owiHs:units = "m" ;
		owiHs:long_name = "Signifiant waveheight for each partition" ;
	float owiWl(oswAzSize, oswRaSize, oswPartitions) ;
		owiWl:_FillValue = -999.f ;
		owiWl:units = "m" ;
		owiWl:long_name = "Dominant wave length for each partition" ;
	float owiDirmet(oswAzSize, oswRaSize, oswPartitions) ;
		owiDirmet:_FillValue = -999.f ;
		owiDirmet:units = "degrees" ;
		owiDirmet:long_name = "Dominant wave direction for each partition" ;
	float owiWindSeaHs(oswAzSize, oswRaSize) ;
		owiWindSeaHs:_FillValue = -999.f ;
		owiWindSeaHs:units = "m" ;
		owiWindSeaHs:long_name = "Significant waveheight for the wind sea part of the total wave height" ;
	float owiLon(owiAzSize, owiRaSize) ;
		owiLon:units = "degrees_east" ;
		owiLon:long_name = "Longitude at wind cell center" ;
		owiLon:standard_name = "longitude" ;
	float owiLat(owiAzSize, owiRaSize) ;
		owiLat:units = "degrees_north" ;
		owiLat:long_name = "Latitude at wind cell center" ;
		owiLat:standard_name = "latitude" ;
	float owiIncidenceAngle(owiAzSize, owiRaSize) ;
		owiIncidenceAngle:units = "degrees" ;
		owiIncidenceAngle:long_name = "Incidence angle at wind cell center" ;
	float owiElevationAngle(owiAzSize, owiRaSize) ;
		owiElevationAngle:units = "degrees" ;
		owiElevationAngle:long_name = "Elevation Angle at wind cell center" ;
	float owiWindSpeed(owiAzSize, owiRaSize) ;
		owiWindSpeed:_FillValue = -999.f ;
		owiWindSpeed:units = "m/s" ;
		owiWindSpeed:long_name = "SAR Wind speed" ;
		owiWindSpeed:standard_name = "wind_speed" ;
	float owiWindDirection(owiAzSize, owiRaSize) ;
		owiWindDirection:_FillValue = -999.f ;
		owiWindDirection:units = "degrees" ;
		owiWindDirection:long_name = "SAR Wind direction (meteorological convention= clockwise direction from where the wind comes respect to North)" ;
		owiWindDirection:standard_name = "wind_direction" ;
	float owiEcmwfWindSpeed(owiAzSize, owiRaSize) ;
		owiEcmwfWindSpeed:units = "m/s" ;
		owiEcmwfWindSpeed:long_name = "ECMWF Wind speed" ;
		owiEcmwfWindSpeed:standard_name = "wind_speed" ;
	float owiEcmwfWindDirection(owiAzSize, owiRaSize) ;
		owiEcmwfWindDirection:units = "degrees" ;
		owiEcmwfWindDirection:long_name = "ECMWF Wind direction (meteorological convention= clockwise direction from where the wind comes respect to North)" ;
		owiEcmwfWindDirection:standard_name = "wind_direction" ;
	float owiNrcs(owiAzSize, owiRaSize, owiPolarisation) ;
		owiNrcs:_FillValue = -999.f ;
		owiNrcs:units = "m^2/m^2" ;
		owiNrcs:long_name = "Normalized Radar Cross Section" ;
	float owiNesz(owiAzSize, owiRaSize, owiPolarisation) ;
		owiNesz:_FillValue = -999.f ;
		owiNesz:units = "m^2/m^2" ;
		owiNesz:long_name = "Noise Equivalent SigmaNaught" ;
	float owiNrcsNeszCorr(owiAzSize, owiRaSize, owiPolarisation) ;
		owiNrcsNeszCorr:_FillValue = -999.f ;
		owiNrcsNeszCorr:units = "m^2/m^2" ;
		owiNrcsNeszCorr:long_name = "Noise Corrected Nrcs averaged on the owi grid" ;
	byte owiPolarisationName(owiPolarisation) ;
		owiPolarisationName:_FillValue = -128b ;
		owiPolarisationName:long_name = "Polarisation name" ;
		owiPolarisationName:flag_values = 0b, 1b, 2b, 3b ;
		owiPolarisationName:flag_meanings = "VV VH HH HV" ;
	float owiPBright(owiAzSize, owiRaSize) ;
		owiPBright:_FillValue = -999.f ;
		owiPBright:units = "%" ;
		owiPBright:long_name = "Percentage of bright targets pixels detectied in cell" ;
		owiPBright:valid_range = 0.f, 100.f ;
	float owiNrcsCmod(owiAzSize, owiRaSize) ;
		owiNrcsCmod:_FillValue = -999.f ;
		owiNrcsCmod:units = "m^2/m^2" ;
		owiNrcsCmod:long_name = "predicted Normalized Radar Cross Section from CMOD and ECMWF" ;
	float owiCalConstObsi(owiIncSize) ;
		owiCalConstObsi:_FillValue = -999.f ;
		owiCalConstObsi:long_name = "geophysical calibration constant estimated from ECMWF and CMOD GMF" ;
	float owiCalConstInci(owiIncSize) ;
		owiCalConstInci:units = "degrees" ;
		owiCalConstInci:long_name = "Incidence angles vector corresponding to the geophysical calibration constant estimated from ECMWF and CMOD GMF" ;
	byte owiInversionQuality(owiAzSize, owiRaSize) ;
		owiInversionQuality:_FillValue = -128b ;
		owiInversionQuality:long_name = "inversion quality flag" ;
		owiInversionQuality:valid_range = 0b, 2b ;
		owiInversionQuality:flag_values = 0b, 1b, 2b ;
		owiInversionQuality:flag_meanings = "good medium poor" ;
	byte owiMask(owiAzSize, owiRaSize) ;
		owiMask:long_name = "Mask of data" ;
		owiMask:valid_range = 0b, 8b ;
		owiMask:flag_values = 0b, 1b, 2b, 4b ;
		owiMask:flag_meanings = "valid land ice no_data" ;
	float owiHeading(owiAzSize, owiRaSize) ;
		owiHeading:_FillValue = -999.f ;
		owiHeading:units = "degrees" ;
		owiHeading:long_name = "Platform heading (azimuth from North)" ;
	byte owiWindQuality(owiAzSize, owiRaSize) ;
		owiWindQuality:_FillValue = -128b ;
		owiWindQuality:long_name = "Quality flag taking into account the consistency_between_wind_inverted_and_NRCS_and_Doppler_measured" ;
		owiWindQuality:valid_range = 0b, 3b ;
		owiWindQuality:flag_values = 0b, 1b, 2b, 3b ;
		owiWindQuality:flag_meanings = "good medium low poor" ;
	float rvlLon(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlLon:_FillValue = -999.f ;
		rvlLon:units = "degrees_east" ;
		rvlLon:long_name = "Longitude at cell center" ;
		rvlLon:standard_name = "longitude" ;
	float rvlLat(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlLat:_FillValue = -999.f ;
		rvlLat:units = "degrees_north" ;
		rvlLat:long_name = "Latitude at cell center" ;
		rvlLat:standard_name = "latitude" ;
	float rvlSlantRangeTime(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlSlantRangeTime:_FillValue = -999.f ;
		rvlSlantRangeTime:units = "s" ;
		rvlSlantRangeTime:long_name = "two way slant range time to cell center" ;
	char rvlZeroDopplerTime(rvlAzSize, rvlRaSize, length, rvlSwath) ;
		rvlZeroDopplerTime:_FillValue = "-" ;
		rvlZeroDopplerTime:long_name = "zero doppler time at cell center" ;
	float rvlGroundRngSize(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlGroundRngSize:_FillValue = -999.f ;
		rvlGroundRngSize:units = "m" ;
		rvlGroundRngSize:long_name = "Ground range size of estimation area" ;
	float rvlAziSize(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlAziSize:_FillValue = -999.f ;
		rvlAziSize:units = "m" ;
		rvlAziSize:long_name = "azimuth size of estimation area" ;
	float rvlIncidenceAngle(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlIncidenceAngle:_FillValue = -999.f ;
		rvlIncidenceAngle:units = "degrees" ;
		rvlIncidenceAngle:long_name = "Incidence angle at cell center" ;
	float rvlHeading(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlHeading:_FillValue = -999.f ;
		rvlHeading:units = "degrees" ;
		rvlHeading:long_name = "Platform heading (azimuth from North)" ;
	float rvlDcObs(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlDcObs:_FillValue = -999.f ;
		rvlDcObs:units = "Hz" ;
		rvlDcObs:long_name = "Estimated doppler centroid frequency" ;
	float rvlNrcs(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlNrcs:_FillValue = -999.f ;
		rvlNrcs:units = "m^2/m^2" ;
		rvlNrcs:long_name = "Normalized Radar Cross-Section" ;
	float rvlDcObsStd(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlDcObsStd:_FillValue = -999.f ;
		rvlDcObsStd:units = "Hz" ;
		rvlDcObsStd:long_name = "Estimated doppler centroid frequency std" ;
	float rvlRadVel(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlRadVel:_FillValue = -999.f ;
		rvlRadVel:units = "m/s" ;
		rvlRadVel:long_name = "radial velocity" ;
	float rvlRadVelStd(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlRadVelStd:_FillValue = -999.f ;
		rvlRadVelStd:units = "m/s" ;
		rvlRadVelStd:long_name = "radial velocity std" ;
	float rvlDcGeo(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlDcGeo:_FillValue = -999.f ;
		rvlDcGeo:units = "Hz" ;
		rvlDcGeo:long_name = "predicted (geometric) doppler frequency" ;
	float rvlDcMiss(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlDcMiss:_FillValue = -999.f ;
		rvlDcMiss:units = "Hz" ;
		rvlDcMiss:long_name = "doppler frequency from antenna mispointing at cell centre" ;
	float rvlSweepAngle(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlSweepAngle:_FillValue = -999.f ;
		rvlSweepAngle:units = "degrees" ;
		rvlSweepAngle:long_name = "sweep angle of antenna" ;
	float rvlYaw(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlYaw:_FillValue = -999.f ;
		rvlYaw:units = "degrees" ;
		rvlYaw:long_name = "satellite yaw at zero Doppler time" ;
	float rvlPitch(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlPitch:_FillValue = -999.f ;
		rvlPitch:units = "degrees" ;
		rvlPitch:long_name = "satellite pitch at zero Doppler time" ;
	float rvlRoll(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlRoll:_FillValue = -999.f ;
		rvlRoll:units = "degrees" ;
		rvlRoll:long_name = "satellite roll at zero Doppler time" ;
	float rvlSnr(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlSnr:_FillValue = -999.f ;
		rvlSnr:units = "1" ;
		rvlSnr:long_name = "signal to noise ratio" ;
	byte rvlConfDcObs(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlConfDcObs:_FillValue = -128b ;
		rvlConfDcObs:long_name = "confidence on Estimated doppler centroid frequency" ;
		rvlConfDcObs:valid_range = 0b, 1b ;
		rvlConfDcObs:flag_values = 0b, 1b ;
		rvlConfDcObs:flag_meanings = "confident not_confident" ;
	float rvlUssX(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlUssX:_FillValue = -999.f ;
		rvlUssX:units = "m/s" ;
		rvlUssX:long_name = "Longitudinal component of surface stokes drift from Wavewatch III model" ;
	float rvlUssY(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlUssY:_FillValue = -999.f ;
		rvlUssY:units = "m/s" ;
		rvlUssY:long_name = "Meridional component of surface stokes drift from Wavewatch III model" ;
	float rvlLandCoverage(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlLandCoverage:_FillValue = -999.f ;
		rvlLandCoverage:units = "%" ;
		rvlLandCoverage:long_name = "percentage of land coverage within a cell" ;
		rvlLandCoverage:valid_range = 0.f, 100.f ;
	byte rvlLandFlag(rvlAzSize, rvlRaSize, rvlSwath) ;
		rvlLandFlag:_FillValue = -128b ;
		rvlLandFlag:long_name = "land flag : 1 if presence of more than 10% of land coverage, 0 instead" ;
		rvlLandFlag:valid_range = 0b, 1b ;
		rvlLandFlag:flag_values = 0b, 1b ;
		rvlLandFlag:flag_meanings = "no_land land" ;
	byte rvlSwathNumber(rvlSwath) ;
		rvlSwathNumber:long_name = "Swath number" ;
	float owiRadVel(owiAzSize, owiRaSize) ;
		owiRadVel:_FillValue = -999.f ;
		owiRadVel:units = "m/s" ;
		owiRadVel:long_name = "radial velocity" ;

// global attributes:
		:title = "Sentinel-1 OCN Product" ;
		:sourceProduct = "S1B_EW_SL2__1_SH_20200524T223828_20200524T223934_021729_0293E2_CDFF.SAFE" ;
		:missionName = "S1B" ;
		:missionPhase = "Operational" ;
		:polarisation = "HH" ;
		:owiAlgorithmVersion = "s-1 owi V1.0" ;
		:oswAlgorithmVersion = "s-1 osw V1.0" ;
		:rvlAlgorithmVersion = "S-1 RVL V1.0" ;
		:idlVersion = "7.1" ;
		:gmf = "CMOD5n" ;
		:polarisationRatio = "Mouche et al. (Model 1)" ;
		:processingStartTime = "2020-05-25T00:02:53.113360Z" ;
		:processingCenter = "DPA_" ;
		:firstMeasurementTime = "2020-05-24T22:37:27Z" ;
		:lastMeasurementTime = "2020-05-24T22:38:34Z" ;
		:clmSource = "GSHHS" ;
		:bathySource = "GEBCO" ;
		:iceSource = "EUMETSAT OSI SAF" ;
		:stokesSource = "MODEL WAVEWATCH III (R) GLOBMULTI" ;
		:windSource = "ECMWF" ;
		:IPFversion = "003.20" ;
		:statevectorUtc = "24-MAY-2020 22:36:18.104980" ;
		:statevectorPos = 1684663.983866, -1711389.681304, -6662539.467379 ;
		:statevectorVel = 2120.688558, -6888.506647, 2306.390275 ;
		:statevectorAcc = 0., 0., 0. ;
		:prf = 342.560197 ;
		:owiNoiseCorrection = "True" ;
}