Data Structures
Here are the data structures with brief descriptions:
 Cast_altitude_tAltitude
 Cast_azimuth_tAzimuth
 Cast_bds_05_tBDS 0,5 - Extended Squitter Airborne Position
 Cast_bds_08_tBDS 0,8 - Extended Squitter Identification and Category
 Cast_bds_09_tBDS 0,9 - Extended Squitter Airborne Position
 Cast_bds_10_tBDS 1,0 - Data Link Capability Report
 Cast_bds_20_tBDS 2,0 - Aircraft Identification
 Cast_bds_30_tBDS 3,0 - TCAS/ACAS Active Resolution Advisory
 Cast_bds_40_tBDS 4,0 - Selected Vertical Intention
 Cast_bds_50_tBDS 5,0 - Track and Turn Report
 Cast_bds_60_tBDS 6,0 - Heading and Speed Report
 Cast_bds_tBinary Data Source (BDS)
 Cast_callsign_tCallsign
 Cast_cartesian_velocity_tCartesian Velocity
 Cast_counter_tCounter entry
 Cast_country_tCountry info definition
 Cast_datablock_ex_tExtracted datablock
 Cast_datablock_tDatablock
 Cast_dataitem_001_020_tData Item I001/020 - Target Report Descriptor
 Cast_dataitem_001_030_tData Item I001/030 - Warning/Error Conditions
 Cast_dataitem_001_040_tData Item I001/040 - Measured Position in Polar Coordinates
 Cast_dataitem_001_042_tData Item I001/042 - Calculated Position in Cartesian Coordinates
 Cast_dataitem_001_120_tData Item I001/120 - Measured Radial Doppler Speed
 Cast_dataitem_001_130_tData Item I001/130 - Radar Plot Characteristics
 Cast_dataitem_001_131_tData Item I001/131 - Received Power
 Cast_dataitem_001_141_tData Item I001/141 - Truncated Time of Day
 Cast_dataitem_001_150_tData Item I001/150 - Presence of X-Pulse
 Cast_dataitem_001_170_tData Item I001/170 - Track Status
 Cast_dataitem_001_210_tData Item I001/210 - Track Quality
 Cast_dataitem_001_901_tData Item I001/901 - Radar Plot Characteristics (ASR-10SS extension of I001/130)
 Cast_dataitem_001_902_tData Item I001/902 - Track Quality (ASR-10SS extension of I001/210)
 Cast_dataitem_001_903_tData Item I001/903 - Radar Plot Characteristics (ASR-10SS MKII extension of I001/130)
 Cast_dataitem_001_904_tData Item I001/904 - Track Quality (ASR-10SS MKII extension of I001/210)
 Cast_dataitem_002_901_tData Item I002/901 - Station Configuration Status (ASR-10SS extension of I002/050)
 Cast_dataitem_002_902_tData Item I002/902 - Station Configuration Status (ASR-10SS MKII extension of I002/050)
 Cast_dataitem_004_040_tData Item I004/040 - Alert Identifier
 Cast_dataitem_004_060_tData Item I004/060 - Safety Net Function & System Status
 Cast_dataitem_004_100_tData Item I004/100 - Area Definitions
 Cast_dataitem_004_120_tData Item I004/120 - Conflict Characteristics
 Cast_dataitem_004_170_tData Item I004/170 - Aircraft Identification & Characteristics 1
 Cast_dataitem_008_020_tData Item I008/020 - Vector Qualifier
 Cast_dataitem_008_034_tData Item I008/034 - Sequence of Polar Vectors in SPF Notation
 Cast_dataitem_008_036_tData Item I008/036 - Sequence of Cartesian Vectors in SPF Notation
 Cast_dataitem_008_038_tData Item I008/038 - Sequence of Weather Vectors in SPF Notation
 Cast_dataitem_008_040_tData Item I008/040 - Contour Identifier
 Cast_dataitem_008_050_tData Item I008/050 - Sequence of Contour Points in SPF Notation
 Cast_dataitem_008_100_tData Item I008/100 - Processing Status
 Cast_dataitem_008_110_tData Item I008/110 - Station Configuration Status
 Cast_dataitem_008_120_tData Item I008/120 - Total Number of Items Constituting One Weather Picture
 Cast_dataitem_010_020_tData Item I010/020 - Target Report Descriptor
 Cast_dataitem_010_040_tData Item I010/040 - Measured Position in Polar Co-ordinates
 Cast_dataitem_010_042_tData Item I010/042 - Calculated Position in Cartesian Co-ordinates
 Cast_dataitem_010_131_tData Item I010/131 - Amplitude of Primary Plot
 Cast_dataitem_010_170_tData Item I010/170 - Track Status
 Cast_dataitem_010_270_tData Item I010/270 - Target Size & Orientation
 Cast_dataitem_010_500_tData Item I010/500 - Standard Deviation of Position
 Cast_dataitem_010_550_tData Item I010/550 - System Status
 Cast_dataitem_015_000_tData Item I015/000 - Message Type
 Cast_dataitem_015_020_tData Item I015/020 - Target Report Descriptor
 Cast_dataitem_015_170_tData Item I015/170 - Track/Plot Status
 Cast_dataitem_015_300_tData Item I015/300 - Object Classification
 Cast_dataitem_015_400_tData Item I015/400 - Measurement Identifier
 Cast_dataitem_015_480_tData Item I015/480 - Associations
 Cast_dataitem_015_600_tData Item I015/600 - Horizontal Position Information
 Cast_dataitem_015_601_tData Item I015/601 - Geometric Height Information
 Cast_dataitem_015_602_tData Item I015/602 - Horizontal Velocity Information
 Cast_dataitem_015_604_tData Item I015/604 - Vertical Velocity Information
 Cast_dataitem_015_625_tData Item I015/625 - Range Information
 Cast_dataitem_015_626_tData Item I015/626 - Doppler Information
 Cast_dataitem_015_627_tData Item I015/627 - Azimuth Information
 Cast_dataitem_016_200_tData Item I016/200 - System Configuration Reporting Period
 Cast_dataitem_016_300_tData Item I016/300 - Pair Identification
 Cast_dataitem_016_405_tData Item I016/405 - Height of System Reference Point
 Cast_dataitem_016_410_tData Item I016/410 - Transmitter Properties
 Cast_dataitem_016_420_tData Item I016/420 - Receiver Properties
 Cast_dataitem_019_550_tData Item I019/550 - System Status
 Cast_dataitem_019_551_tData Item I019/551 - Tracking Processor Detailed Status
 Cast_dataitem_019_552_tData Item I019/552 - Remote Sensor Detailed Status
 Cast_dataitem_019_553_tData Item I019/553 - Reference Transponder Detailed Status
 Cast_dataitem_019_610_tData Item I019/610 - Height of MLT System Reference Point
 Cast_dataitem_019_620_tData Item I019/620 - WGS-84 Undulation
 Cast_dataitem_020_020_tData Item I020/020 - Target Report Descriptor
 Cast_dataitem_020_170_tData Item I020/170 - Track Status
 Cast_dataitem_020_210_tData Item I020/210 - Calculated Aceleration
 Cast_dataitem_020_230_tData Item I020/230 - Communications/ACAS Capability and Flight Status
 Cast_dataitem_020_400_tData Item I020/400 - Contributing Receivers
 Cast_dataitem_020_500_tData Item I020/500 - Position Accuracy
 Cast_dataitem_021_008_tData Item I021/008 - Aircraft Operational Status
 Cast_dataitem_021_016_tData Item I021/016 - Service Management
 Cast_dataitem_021_020_tData Item I021/020 - Emitter Category
 Cast_dataitem_021_032_tData Item I021/032 - Time of Day Accuracy
 Cast_dataitem_021_040_tData Item I021/040 - Target Report Descriptor
 Cast_dataitem_021_090_tData Item I021/090 - Quality Indicators
 Cast_dataitem_021_095_tData Item I021/095 - Velocity Accuracy
 Cast_dataitem_021_140_tData Item I021/140 - Geometric Altitude
 Cast_dataitem_021_145_tData Item I021/145 - Flight Level
 Cast_dataitem_021_146_tData Item I021/146 - Selected Altitude
 Cast_dataitem_021_150_tData Item I021/150 - Air Speed
 Cast_dataitem_021_151_tData Item I021/151 - True Air Speed
 Cast_dataitem_021_152_tData Item I021/152 - Magnetic Heading
 Cast_dataitem_021_160_tData Item I021/160 - Airborne Ground Vector
 Cast_dataitem_021_200_tData Item I021/200 - Target Status
 Cast_dataitem_021_210_tData Item I021/210 - MOPS Version
 Cast_dataitem_021_230_tData Item I021/230 - Roll Angle
 Cast_dataitem_021_271_tData Item I021/271 - Surface Capabilities and Characteristics
 Cast_dataitem_021_295_tData Item I021/295 - Data Ages
 Cast_dataitem_021_400_tData Item I021/400 - Receiver ID
 Cast_dataitem_021_A03_tData Item I021/040 - Target Report Descriptor (Prior version 0.26)
 Cast_dataitem_021_A05_tData Item I021/090 - Figure of Merit (Version 0.26)
 Cast_dataitem_021_A06_tData Item I021/A06 - Link Technology Indicator
 Cast_dataitem_021_A08_tData Item I021/200 - Target Status (Prior version 0.26)
 Cast_dataitem_023_015_tData Item I023/015 - Service Type and Identification
 Cast_dataitem_023_100_tData Item I023/100 - Ground Station Status
 Cast_dataitem_034_050_tData Item I034/050 - System Configuration and Status
 Cast_dataitem_034_060_tData Item I034/060 - System Processing Mode
 Cast_dataitem_034_070_tData Item I034/070 - Message Count Values
 Cast_dataitem_034_090_tData Item I034/090 - Collimation Error
 Cast_dataitem_034_110_tData Item I034/110 - Data Filter
 Cast_dataitem_034_120_tData Item I034/120 - 3D-Position Of Data Source
 Cast_dataitem_048_020_tData Item I048/020 - Target Report Descriptor
 Cast_dataitem_048_030_tData Item I048/030 - Warning/Error Conditions
 Cast_dataitem_048_040_tData Item I048/040 - Measured Position in Polar Co-ordinates
 Cast_dataitem_048_042_tData Item I048/042 - Calculated Position in Cartesian Co-ordinates
 Cast_dataitem_048_050_tData Item I048/050 - Mode-2 Code in Octal Representation
 Cast_dataitem_048_110_tData Item I048/110 - Height Measured by a 3D Radar
 Cast_dataitem_048_130_tData Item I048/130 - Radar Plot Characteristics
 Cast_dataitem_048_170_tData Item I048/170 - Track Status
 Cast_dataitem_048_210_tData Item I048/210 - Track Quality
 Cast_dataitem_048_230_tData Item I048/230 - Communications / ACAS Capability and Flight Status
 Cast_dataitem_048_260_tData Item I048/260 - ACAS Resolution Advisory Report
 Cast_dataitem_062_080_tData Item I062/080 - Track Status
 Cast_dataitem_062_110_tData Item I062/110 - Mode 5 Data Reports & Extended Mode 1 Code
 Cast_dataitem_062_130_tData Item I062/130 - Calculated Track Geometric Altitude
 Cast_dataitem_062_135_tData Item I062/135 - Calculated Track Barometric Altitude
 Cast_dataitem_062_136_tData Item I062/136 - Measured Flight Level
 Cast_dataitem_062_200_tData Item I062/200 - Mode of Movement
 Cast_dataitem_062_210_tData Item I062/210 - Calculated Acceleration (Cartesian)
 Cast_dataitem_062_220_tData Item I062/220 - Calculated Rate of Climb/Descent
 Cast_dataitem_062_270_tData Item I062/270 - Target Size & Orientation
 Cast_dataitem_062_290_tData Item I062/290 - System Track Update Ages
 Cast_dataitem_062_295_tData Item I062/295 - Track Data Age
 Cast_dataitem_062_300_tData Item I062/300 - Vehicle Fleet Identification
 Cast_dataitem_062_340_tData Item I062/340 - Measured Information
 Cast_dataitem_062_380_tData Item I062/380 - Aircraft Derived Data
 Cast_dataitem_062_390_tData Item I062/390 - Flight Plan Related Data
 Cast_dataitem_062_500_tData Item I062/500 - Estimated Accuracies
 Cast_dataitem_062_510_tData Item I062/510 - Composed Track Number
 Cast_dataitem_063_060_tData Item I063/060 - Sensor Configuration and Status
 Cast_dataitem_065_020_tData Item I065/020 - Batch Number
 Cast_dataitem_065_040_tData Item I065/040 - SDPS Configuration and Status
 Cast_dataitem_240_020_tData Item I240/020 - Video Record Header structure
 Cast_dataitem_240_030_tData Item I240/030 - Video Summary structure
 Cast_dataitem_240_048_tData Item I240/048 - Video Cells Resolution & Data Compression Indicator
 Cast_dataitem_240_049_tData Item I240/049 - Video Octets & Video Cells Counters
 Cast_dataitem_240_050_tData Item I240/050 - Video Block Low Data Volume
 Cast_dataitem_240_051_tData Item I240/051 - Video Block Medium Data Volume
 Cast_dataitem_240_052_tData Item I240/052 - Video Block High Data Volume
 Cast_dataitem_aircraft_id_tData Item - Target Identification
 Cast_dataitem_antenna_rotation_period_tData Item - Antenna Rotation Period
 Cast_dataitem_data_source_identifier_tData Item - Data Source Identifier
 Cast_dataitem_ex_tExtracted dataitem
 Cast_dataitem_height_tData Item - Height
 Cast_dataitem_message_type_tData Item - Message Type
 Cast_dataitem_mode_3a_code_tData Item - Mode-3/A Code in Octal Representation
 Cast_dataitem_mode_3a_confidence_tData Item - Mode-3/A Code Confidence Indicator
 Cast_dataitem_mode_c_code_tData Item - Mode-C Code
 Cast_dataitem_mode_c_confidence_tData Item - Mode-C Code and Code Confidence Indicator
 Cast_dataitem_modes_mb_tData Item - Mode S MB Data
 Cast_dataitem_position_cartesian_tData Item - Position in Cartesian Coordinates
 Cast_dataitem_position_wgs84_low_tData Item - Position in WGS84 Coordinates (Low Reslution)
 Cast_dataitem_position_wgs84_tData Item - Position in WGS84 Coordinates
 Cast_dataitem_sector_number_tData Item - Sector Number
 Cast_dataitem_service_id_tData Item - Service Identification
 Cast_dataitem_signal_amplitude_tData Item - Signal Amplitude
 Cast_dataitem_subfields_tData Item - Subfields
 Cast_dataitem_tDataitem
 Cast_dataitem_target_address_tData Item - Target Address
 Cast_dataitem_target_id_tData Item - Target Identification
 Cast_dataitem_time_of_day_high_tData Item - Time of Day High Precision
 Cast_dataitem_time_of_day_tData Item - Time of Day
 Cast_dataitem_track_number_tData Item Itrack_number - Track Number
 Cast_dataitem_velocity_cartesian_tData Item - Calculated Track Velocity in Cartesian Coordinates
 Cast_dataitem_velocity_polar_tData Item - Calculated Track Track Velocity in Polar Co-ordinates
 Cast_dataitem_vertical_rate_tData Item - Vertical Rate
 Cast_dataitem_video_header_tData Item - Video Header
 Cast_datarecord_001_tData Record I001 - Monoradar Target Reports
 Cast_datarecord_002_tData Record I002 - Monoradar Service Messages
 Cast_datarecord_004_tData Record I004 - Safety Net Messages
 Cast_datarecord_008_tData Record I008 - Monoradar Derived Weather Information
 Cast_datarecord_010_tData Record I010 - Transmission of Monosensor Surface Movement Data
 Cast_datarecord_015_tData Record I015 - Independent Non-Cooperative Surveillance Target Reports
 Cast_datarecord_020_tData Record I020 - Multilateration Target Reports
 Cast_datarecord_021_tData Record I021 - ADS-B Target Reports
 Cast_datarecord_021_v026_tData Record I021 v0.26 - ADS-B Messages
 Cast_datarecord_021_v21_tData Record I021 v2.1 - ADS-B Target Reports
 Cast_datarecord_021_v26_tData Record I021 v2.6 - ADS-B Target Reports
 Cast_datarecord_034_tData Record I034 - Monoradar Service Messages
 Cast_datarecord_048_tData Record I048 - Monoradar Target Reports
 Cast_datarecord_062_tData Record I062 - SDPS Track Messages
 Cast_datarecord_063_tData Record I063 - Sensor Status Reports
 Cast_datarecord_065_tData Record I065 - SDPS Service Status Messages
 Cast_datarecord_240_tData Record I240 - Radar Video Transmission
 Cast_datarecord_ex_tExtracted datarecord
 Cast_datarecord_modifier_tDatarecord modifier
 Cast_datarecord_tDatarecord
 Cast_deparr_time_tDeparture/Arrival time structure
 Cast_doppler_velocity_tDoppler Velocity
 Cast_fspec_tField Specification (FSPEC)
 Cast_heading_tHeading
 Cast_icaoaddr_tICAO 24-bit Address
 Cast_incs_measurement_identifier_tMeasurement identifier pair of I015/480
 Cast_incs_object_classification_tINCS Object Classification
 Cast_incs_pair_tTransmitter/receiver pair of I016/300
 Cast_incs_receiver_tReceiver properties element of I016/420
 Cast_incs_transmitter_tTransmitter properties element of I016/410
 Cast_mlat_rs_status_tMLAT remote sensor status
 Cast_mlat_tp_status_tMLAT tracking processor status
 Cast_msgtype_t
 Cast_polar_coordinate_tPolar Coordinate
 Cast_range_tRange
 Cast_sac_list_tSAC info listdefinition
 Cast_sac_tSAC info definition
 Cast_sacsic_tData Source Identifier (aka SAC/SIC)
 Cast_sensor_list_tSensor info listdefinition
 Cast_sensor_tSensor info definition
 Cast_speed_tSpeed
 Cast_squawk_tSquawk (aka Mode-3/A Code)
 Cast_subfield_tSubfield struct
 Cast_timeofday_tTime of day
 Cast_tracknum_tTrack Number
 Cast_uap_t
 Cast_vertical_rate_tVertical Rate
 Cast_videovector_tFully decoded video vector of a CAT240 data record
 Cast_weather_cartesian_vector_tWeather vector in start point/length representation (I008/036 element)
 Cast_weather_contour_point_tContour point in cartesian coordinates (I008/050 element)
 Cast_weather_polar_vector_tWeather vector in local polar coordinates (I008/034 element)
 Cast_weather_segment_vector_tWeather vector in start point/end point representation (I008/038 element)
 Cast_wgs84coord3d_tWGS-84 3D Coordinate
 Cast_wgs84coord_tWGS-84 2D Coordinate
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