2,WAVELENGTH,CONSTANT,m,REAL,Instrument central wavelength of operation,x
2,CHIRP.SEQUENCES.INDEX,CHIRP.SEQUENCES.INDEX,1,SHORT,Index count of the numbers of chirps in the measurement configuration that the FMCW-radar is running,x
2,NYQUIST.VELOCITY,CHIRP.SEQUENCES.INDEX,m s-1,REAL,Nyquist velocity range the instrument operates for interpretation of the measured Doppler velocities,x
2,CHIRP.SEQUENCES.INDEX,CHIRP.SEQUENCES.INDEX,1,SHORT,Index count of the numbers of chirps in the measurement configuration that the FMCW-radar is running ,x
2,RANGE,RANGE,m,REAL,Distance from the Sensor to Center of each Range Gate along the line of sight,x
2,NYQUIST.VELOCITY,CHIRP.SEQUENCES.INDEX,m s-1,REAL,Nyquist velocity range the instrument operates for interpretation of the measured Doppler velocities,x
2,DATETIME,DATETIME,MJD2K,DOUBLE,Datetime since 0000z 1st January 2000,x
2,RANGE,[RANGE|DATETIME;ALTITUDE],m,REAL,Distance from the Sensor to Center of each Range Gate along the line of sight,x
2,RADAR.REFLECTIVITY.FACTOR_HH,DATETIME;RANGE,m3 mm-6,REAL,Radar Reflectivity Factor at horizontal reception and horizontal transmission fully polarized radars only,o
2,DATETIME,DATETIME,MJD2K,DOUBLE,Datetime defined relative to reference datetime of Jan. 1 2000 at 0:00:00 UT which is equal to 0.00,x
2,RADAR.REFLECTIVITY.FACTOR_VV,DATETIME;RANGE,m3 mm-6,REAL,Radar Reflectivity Factor at vertical reception and vertical transmission,x
2,INTEGRATION.TIME,DATETIME;CHIRP.SEQUENCES.INDEX,s,REAL,Duration/Integration time per single chirp,x
2,RADAR.REFLECTIVITY.FACTOR_VH,DATETIME;RANGE,m3 mm-6,REAL,Radar Reflectivity Factor at vertical reception and horizontal transmission (measured in the FRMRadar project),x
2,RADAR.REFLECTIVITY.FACTOR,[DATETIME;RANGE|DATETIME;ALTITUDE],mm6 m-3,REAL,Radar Reflectivity Factor of the Radar instrument – if the radar has only one polarisation state,o
2,DOPPLER.VELOCITY_MEAN,DATETIME;RANGE,m s-1,REAL,Radar mean Doppler velocity,x
2,RADAR.REFLECTIVITY.FACTOR_HH,[DATETIME;RANGE|DATETIME;ALTITUDE],mm6 m-3,REAL,Radar Reflectivity Factor at horizontal reception and horizontal transmission – mandatory if the radar is fully polarized,o
2,RADAR.REFLECTIVITY.FACTOR_VV,[DATETIME;RANGE|DATETIME;ALTITUDE],mm6 m-3,REAL,Radar Reflectivity Factor at vertical reception and vertical transmission - mandatory if the radar is fully polarized ,o
2,RADAR.REFLECTIVITY.SPECTRUM_VV,DATETIME;RANGE;DOPPLER.VELOCITY_RESOLUTION,m3 mm-6,REAL,Radar Doppler spectrum at vertical reception and vertical transmission,o
2,DOPPLER.VELOCITY_RESOLUTION,DOPPLER.VELOCITY_RESOLUTION,m s-1,REAL,The resolution of the Doppler spectrum between +/- Nyquist Velocity for each chirp,o
2,RADAR.REFLECTIVITY.SPECTRUM_VH,DATETIME;RANGE;DOPPLER.VELOCITY_RESOLUTION,m3 mm-6,REAL,Radar Doppler spectrum at vertical reception and horizontal transmission ,o
2,RADAR.REFLECTIVITY.SPECTRUM,[DATETIME;RANGE;DOPPLER.VELOCITY_RESOLUTION|DATETIME;ALTITUDE;DOPPLER.VELOCITY_RESOLUTION],mm6 m-3,REAL,Radar Doppler spectrum – if the radar has only one polarisation state,o
2,LINEAR.DEPOLARIZATION.RATIO.SPECTRUM,DATETIME;RANGE;DOPPLER.VELOCITY_RESOLUTION,m3 mm-6,REAL,Spectral Radar Linear Depolarization Ratio LDR measuring radars only,o
2,RADAR.REFLECTIVITY.SPECTRUM_HH,[DATETIME;RANGE;DOPPLER.VELOCITY_RESOLUTION|DATETIME;ALTITUDE;DOPPLER.VELOCITY_RESOLUTION],mm6 m-3,REAL,Radar Doppler spectrum at horizontal reception and horizontal transmission – mandatory if the radar is fully polarized,o
2,RADAR.REFLECTIVITY.SPECTRUM_VV,[DATETIME;RANGE;DOPPLER.VELOCITY_RESOLUTION|DATETIME;ALTITUDE;DOPPLER.VELOCITY_RESOLUTION],mm6 m-3,REAL,Radar Doppler spectrum at vertical reception and vertical transmission – mandatory if the radar is fully polarized,o
2,LINEAR.DEPOLARIZATION.RATIO.SPECTRUM,[DATETIME;RANGE;DOPPLER.VELOCITY_RESOLUTION|DATETIME;ALTITUDE;DOPPLER.VELOCITY_RESOLUTION],1,REAL,Spectum of radar linear depolarisation ratio – LDR measuring radars only,o
2,SURFACE.TEMPERATURE,DATETIME,K,REAL,Air Temperature (from Radar Meteo-Station),o
2,WIND.SPEED.SURFACE_SOURCE,CONSTANT,[empty],STRING,Source of wind speed measurement (e.g. Vaisala WXT520),x if WIND.SPEED.SURFACE provided
2,HUMIDITY.RELATIVE.SURFACE_SOURCE,CONSTANT,[empty],STRING,Source of Relative Humidity measurement (e.g. Vaisala WXT520),x if HUMIDITY.RELATIVE.SURFACE provided
2,WIND.DIRECTION.SURFACE,DATETIME,deg,REAL,Wind Direction (from Radar Meteo-Station),o
2,WIND.DIRECTION.SURFACE,DATETIME,deg,REAL,Wind Direction (from Radar Meteo-Station),o
2,WIND.DIRECTION.SURFACE_SOURCE,CONSTANT,[empty],STRING,Source of wind direction measurment (e.g. Vaisala WXT520),x if WIND.DIRECTION.SURFACE provided
2,WIND.DIRECTION.SURFACE_SOURCE,CONSTANT,[empty],STRING,Source of wind direction measurement (e.g. Vaisala WXT520),x if WIND.DIRECTION.SURFACE provided
2,ANGLE.VIEW_ELEVATION,DATETIME,deg,REAL,Sensor elevation angle – only for scanning radars,o
2,ANGLE.PLATFORM_ELEVATION,DATETIME,deg,REAL,Instrument inclination angle - Sensor monitoring the instrument elevation angle (if not aligned in the horizontal plane),o
2,ANGLE.PLATFORM_AZIMUTH,DATETIME,deg,REAL,Instrument inclination angle - Sensor monitoring the instrument azimuth angle (if not aligned in the horizontal plane),o
2,RANGE_OFFSET,CHIRP.SEQUENCES.INDEX,m,REAL,Range offsets between different chirps when measuring with FMCW-radars,o
2,ANGLE.PLATFORM_PITCH,DATETIME,deg,REAL,Pitch is a rotation about an axis that is perpendicular to both the local vertical axis and the nominal forward motion direction of the platform. Because the radar is fixed to the ground the forward motion axis is not existing. Therefore the vertical axis (longer dimension of the radar) is set as the moving direction,o
2,FLAG.MEASUREMENT.QUALITY,DATETIME,1,REAL,Quality flag related to the radar operation given by the radar software from RPG,o
2,ANGLE.PLATFORM_ROLL,DATETIME,deg,REAL,Roll is a rotation about an axis that is perpendicular to the local vertical axis and is coplanar with the nominal forward motion direction of the platform. Because the radar is fixed to the ground the forward motion axis is not existing. Therefore the vertical axis (longer dimension of the radar) is set as the moving direction,o
2,FLAG.PROCESSING.QUALITY,DATETIME;RANGE,1,REAL,Quality flag added in the additional data processing to alert for known issues (from our developed data processing),o
2,ANGLE.PLATFORM_YAW,DATETIME,deg,REAL,The twisting of the platform about the vertical axis,o
2,ALIAS.PROCESSING.MASK,DATETIME;RANGE,1,,Mask array indicating in which bin dealiasing was applied related to our own developed data processing,o
2,RANGE_OFFSET,CHIRP.SEQUENCES.INDEX,m,REAL,Range offsets between different chirps when measuring with FMCW-radars,o
2,SOURCE.PRODUCT,INDEPENDENT,[empty],STRING, Information relevant to the source history of the Metadata and Datadata in the form Original_Archive;Original_Filename;Original_File_Generation_Date,o
2,FLAG.MEASUREMENT.QUALITY,DATETIME,1,BYTE,Bit entries: 2^0=ADC saturation; 2^1=spectral width too high; 2^2=no transmitter power leveling; 2^3=heater off; 2^4=blower off,o
2,FLAG.PROCESSING.QUALITY,[DATETIME;RANGE|DATETIME;ALTITUDE],1,BYTE,Quality flag added in the additional data processing to alert for known issues. 2^0=this range gate is known to have artificial spikes occurring; 2^1=aircraft or other known flying non-meteorological object; 2^2=wet-radome,o
2,ALIAS_FLAG,CONSTANT,1,BYTE,0=no dealiasing applied and 1=dealiasing by RPG,o
2,ALIAS_MASK,[DATETIME;RANGE|DATETIME;ALTITUDE],1,BYTE,Mask array indicating in which bin dealiasing was applied where 0=no aliasing and 1=aliasing occurs – related to our own developed data processing,o
2,SOURCE.PRODUCT,INDEPENDENT,[empty],STRING,Information relevant to the source history of the Metadata and Datadata in the form Original_Archive;Original_Filename;Original_File_Generation_Date,o
