--- title: "GET /udl/onorbit/getSignature" method: GET path: "/udl/onorbit/getSignature" tags: ["Onorbit"] --- # GET /udl/onorbit/getSignature `GET /udl/onorbit/getSignature` ## Request - Base URL: `https://unifieddatalibrary.com` - URL: `https://unifieddatalibrary.com/udl/onorbit/getSignature` - Auth: none declared This service queries common information across Radar, EO, and RF observations. ## Query parameters - `idOnOrbit` string, required - `firstResult` integer - `maxResults` integer ## Response `200` Success - OnorbitSignatureAbridged: Contains a list of common information across both Radar and EO observations. - `eoObservation` EOObservationAbridged: Model representation of observation data for electro-optical based sensor phenomenologies. ECI J2K is the preferred reference frame for EOObservations, however, several user-specified reference frames are accommodated. Users should check the EOObservation record as well as the 'Discover' tab in the storefront to confirm the coordinate frames used by the data provider. - `satNo` integer: Satellite/Catalog number of the target on-orbit object. - `origNetwork` string: The originating source network on which this record was created, auto-populated by the system. - `id` string: Unique identifier of the record, auto-generated by the system. - `classificationMarking` string, required: Classification marking of the data in IC/CAPCO Portion-marked format. - `obTime` string, date-time, required: Ob detection time in ISO 8601 UTC, up to microsecond precision. Consumers should contact the provider for details on their obTime specifications. - `corrQuality` number, double: Object Correlation Quality score of the observation when compared to a known orbit state (non-standardized). Users should consult data providers regarding the expected range of values. - `idOnOrbit` string: Unique identifier of the target on-orbit object, if correlated. - `idSensor` string: Unique identifier of the reporting sensor. - `idSkyImagery` string: Unique identifier of the Sky Imagery record associated with this observation, if applicable. - `collectMethod` string: Method indicating telescope movement during collection (AUTOTRACK, MANUAL AUTOTRACK, MANUAL RATE TRACK, MANUAL SIDEREAL, SIDEREAL, RATE TRACK). - `taskId` string: Optional identifier to indicate the specific tasking which produced this observation. - `transactionId` string: Optional identifier to track a commercial or marketplace transaction executed to produce this data. - `trackId` string: Optional identifier of the track to which this observation belongs. - `obPosition` string: The position of this observation within a track (FENCE, FIRST, IN, LAST, SINGLE). This identifier is optional and, if null, no assumption should be made regarding whether other observations may or may not exist to compose a track. - `origObjectId` string: Optional identifier provided by observation source to indicate the target onorbit object of this observation. This may be an internal identifier and not necessarily a valid satellite number. - `origSensorId` string: Optional identifier provided by observation source to indicate the sensor identifier which produced this observation. This may be an internal identifier and not necessarily a valid sensor ID. - `uct` boolean: Boolean indicating this observation is part of an uncorrelated track or was unable to be correlated to a known object. This flag should only be set to true by data providers after an attempt to correlate to an on-orbit object was made and failed. If unable to correlate, the 'origObjectId' field may be populated with an internal data provider specific identifier. - `azimuth` number, double: Line of sight azimuth angle in degrees and topocentric frame. Reported value should include all applicable corrections as specified on the source provider data card. If uncertain, consumers should contact the provider for details on the applied corrections. - `azimuthMeasured` boolean: Optional flag indicating whether the azimuth value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `azimuthUnc` number, double: One sigma uncertainty in the line of sight azimuth angle, in degrees. - `azimuthBias` number, double: Sensor line of sight azimuth angle bias in degrees. - `azimuthRate` number, double: Rate of change of the line of sight azimuth in degrees per second. - `elevation` number, double: Line of sight elevation in degrees and topocentric frame. Reported value should include all applicable corrections as specified on the source provider data card. If uncertain, consumers should contact the provider for details on the applied corrections. - `elevationMeasured` boolean: Optional flag indicating whether the elevation value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `elevationUnc` number, double: One sigma uncertainty in the line of sight elevation angle, in degrees. - `elevationBias` number, double: Sensor line of sight elevation bias, in degrees. - `elevationRate` number, double: Rate of change of the line of sight elevation, in degrees per second. - `range` number, double: Line of sight range, in kilometers. Reported value should include all applicable corrections as specified on the source provider data card. If uncertain, consumers should contact the provider for details on the applied corrections. - `rangeMeasured` boolean: Optional flag indicating whether the range value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `rangeUnc` number, double: One sigma uncertainty in the line of sight range, in kilometers. - `rangeBias` number, double: Sensor line of sight range bias, in kilometers. - `rangeRate` number, double: Range rate in kilometers per second. Reported value should include all applicable corrections as specified on the source provider data card. If uncertain, consumers should contact the provider for details on the applied corrections. - `rangeRateMeasured` boolean: Optional flag indicating whether the rangeRate value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `rangeRateUnc` number, double: One sigma uncertainty in the line of sight range rate, in kilometers per second. - `ra` number, double: Line of sight right ascension, in degrees, in the specified referenceFrame. If referenceFrame is null then J2K should be assumed. Reported value should include all applicable corrections as specified on the source provider data card. If uncertain, consumers should contact the provider for details on the applied corrections. - `raMeasured` boolean: Optional flag indicating whether the ra value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `raRate` number, double: Line of sight right ascension rate of change, in degrees per second, in the specified referenceFrame. If referenceFrame is null then J2K should be assumed. - `raUnc` number, double: One sigma uncertainty in the line of sight right ascension angle, in degrees. - `raBias` number, double: Sensor line of sight right ascension bias, in degrees. - `declination` number, double: Line of sight declination, in degrees, in the specified referenceFrame. If referenceFrame is null then J2K should be assumed. Reported value should include all applicable corrections as specified on the source provider data card. If uncertain, consumers should contact the provider for details on the applied corrections. - `declinationMeasured` boolean: Optional flag indicating whether the declination value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `declinationRate` number, double: Line of sight declination rate of change, in degrees per second, in the specified referenceFrame. If referenceFrame is null then J2K should be assumed. - `declinationUnc` number, double: One sigma uncertainty in the line of sight declination angle, in degrees. - `declinationBias` number, double: Sensor line of sight declination angle bias, in degrees. - `losx` number, double: Line-of-sight cartesian X position of the target, in kilometers, in the specified referenceFrame. If referenceFrame is null then J2K should be assumed. - `losy` number, double: Line-of-sight cartesian Y position of the target, in kilometers, in the specified referenceFrame. If referenceFrame is null then J2K should be assumed. - `losz` number, double: Line-of-sight cartesian Z position of the target, in kilometers, in the specified referenceFrame. If referenceFrame is null then J2K should be assumed. - `losUnc` number, double: One sigma uncertainty in the line of sight pointing in micro-radians. - `losxvel` number, double: Line-of-sight cartesian X velocity of target, in kilometers per second, in the specified referenceFrame. If referenceFrame is null then J2K should be assumed. - `losyvel` number, double: Line-of-sight cartesian Y velocity of target, in kilometers per second, in the specified referenceFrame. If referenceFrame is null then J2K should be assumed. - `loszvel` number, double: Line-of-sight cartesian Z velocity of target, in kilometers per second, in the specified referenceFrame. If referenceFrame is null then J2K should be assumed. - `senlat` number, double: Sensor WGS84 latitude at obTime (if mobile/onorbit), in degrees. If null, can be obtained from sensor info. -90 to 90 degrees (negative values south of equator). - `senlon` number, double: Sensor WGS84 longitude at obTime (if mobile/onorbit), in degrees. If null, can be obtained from sensor info. -180 to 180 degrees (negative values west of Prime Meridian). - `senalt` number, double: Sensor altitude at obTime (if mobile/onorbit), in kilometers. - `senx` number, double: Cartesian X position of the observing mobile/onorbit sensor at obTime, in kilometers, in the specified senReferenceFrame. If senReferenceFrame is null then J2K should be assumed. - `seny` number, double: Cartesian Y position of the observing mobile/onorbit sensor at obTime, in kilometers, in the specified senReferenceFrame. If senReferenceFrame is null then J2K should be assumed. - `senz` number, double: Cartesian Z position of the observing mobile/onorbit sensor at obTime, in kilometers, in the specified senReferenceFrame. If senReferenceFrame is null then J2K should be assumed. - `senvelx` number, double: Cartesian X velocity of the observing mobile/onorbit sensor at obTime, in kilometers per second, in the specified senReferenceFrame. If senReferenceFrame is null then J2K should be assumed. - `senvely` number, double: Cartesian Y velocity of the observing mobile/onorbit sensor at obTime, in kilometers per second, in the specified senReferenceFrame. If senReferenceFrame is null then J2K should be assumed. - `senvelz` number, double: Cartesian Z velocity of the observing mobile/onorbit sensor at obTime, in kilometers per second, in the specified senReferenceFrame. If senReferenceFrame is null then J2K should be assumed. - `senQuat` number[]: The quaternion describing the rotation of the sensor in relation to the body-fixed frame used for this system into the local geodetic frame, at observation time (obTime). The array element order convention is scalar component first, followed by the three vector components (qc, q1, q2, q3). - `fovCount` integer: The number of RSOs detected in the sensor field of view. - `fovCountUCT` integer: The number of uncorrelated tracks in the field of view. - `expDuration` number, double: Image exposure duration in seconds. For observations performed using frame stacking or synthetic tracking methods, the exposure duration should be the total integration time. This field is highly recommended / required if the observations are going to be used for photometric processing. - `zeroptd` number, double: Formula: 2.5 * log_10 (zero_mag_counts / expDuration). - `netObjSig` number, double: Net object signature = counts / expDuration. - `netObjSigUnc` number, double: Net object signature uncertainty = counts uncertainty / expDuration. - `mag` number, double: Measure of observed brightness calibrated against the Gaia G-band in units of magnitudes. - `magUnc` number, double: Uncertainty of the observed brightness in units of magnitudes. - `magNormRange` number, double: Formula: mag - 5.0 * log_10(geo_range / 1000000.0). - `geolat` number, double: For GEO detections, the latitude in degrees north. - `geolon` number, double: For GEO detections, the longitude in degrees east. - `geoalt` number, double: For GEO detections, the altitude, in kilometers. - `georange` number, double: For GEO detections, the range, in kilometers. - `skyBkgrnd` number, double: Average Sky Background signal, in magnitudes. Sky Background refers to the incoming light from an apparently empty part of the night sky. - `primaryExtinction` number, double: Primary Extinction Coefficient, in magnitudes. Primary Extinction is the coefficient applied to the airmass to determine how much the observed visual magnitude has been attenuated by the atmosphere. Extinction, in general, describes the absorption and scattering of electromagnetic radiation by dust and gas between an emitting astronomical object and the observer. See the EOObservationDetails API for specification of extinction coefficients for multiple spectral filters. - `primaryExtinctionUnc` number, double: Primary Extinction Coefficient Uncertainty, in magnitudes. - `solarPhaseAngle` number, double: The angle, in degrees, between the target-to-observer vector and the target-to-sun vector. - `solarEqPhaseAngle` number, double: The angle, in degrees, between the projections of the target-to-observer vector and the target-to-sun vector onto the equatorial plane. The angle is represented as negative when closing (i.e. before the opposition) and positive when opening (after the opposition). - `solarDecAngle` number, double: Angle from the sun to the equatorial plane, in degrees. - `shutterDelay` number, double: Shutter delay in seconds. - `timingBias` number, double: Sensor timing bias in seconds. - `rawFileURI` string: Optional URI location in the document repository of the raw file parsed by the system to produce this record. To download the raw file, prepend https://udl-hostname/scs/download?id= to this value. - `intensity` number, double: Intensity of the target for IR observations, in kilowatt per steradian per micrometer. - `bgIntensity` number, double: Background intensity for IR observations, in kilowatt per steradian per micrometer. - `descriptor` string: Optional source-provided and searchable metadata or descriptor of the data. - `source` string, required: Source of the data. - `origin` string: Originating system or organization which produced the data, if different from the source. The origin may be different than the source if the source was a mediating system which forwarded the data on behalf of the origin system. If null, the source may be assumed to be the origin. - `dataMode` 'REAL' | 'TEST' | 'SIMULATED' | 'EXERCISE', required: Indicator of whether the data is REAL, TEST, EXERCISE, or SIMULATED data: REAL: Data collected or produced that pertains to real-world objects, events, and analysis. TEST: Specific datasets used to evaluate compliance with specifications and requirements, and for validating technical, functional, and performance characteristics. EXERCISE: Data pertaining to a government or military exercise. The data may include both real and simulated data. SIMULATED: Synthetic data generated by a model to mimic real-world datasets. - `createdAt` string, date-time: Time the row was created in the database, auto-populated by the system. - `createdBy` string: Application user who created the row in the database, auto-populated by the system. - `zeroPtdUnc` number, double: This is the uncertainty in the zero point for the filter used for this observation/row in units of mag. For use with differential photometry. - `referenceFrame` 'J2000' | 'GCRF' | 'ITRF' | 'TEME': The reference frame of the EOObservation measurements. If the referenceFrame is null it is assumed to be J2000. - `senReferenceFrame` 'J2000' | 'EFG/TDR' | 'ECR/ECEF' | 'TEME' | 'ITRF' | 'GCRF': The reference frame of the observing sensor state. If the senReferenceFrame is null it is assumed to be J2000. - `umbra` boolean: Boolean indicating that the target object was in umbral eclipse at the time of this observation. - `penumbra` boolean: Boolean indicating that the target object was in a penumbral eclipse at the time of this observation. - `sourceDL` string: The source data library from which this record was received. This could be a remote or tactical UDL or another data library. If null, the record should be assumed to have originated from the primary Enterprise UDL. - `type` string: Read only field specifying the type of observation (e.g. OPTICAL, OPTICAL_IR, LASER_RANGING, etc). - `radarObservation` RadarObservationAbridged: Model representation of observation data for radar based sensor phenomenologies. J2000 is the preferred coordinate frame for all observations, but in some cases observations may be in another frame depending on the provider. Please see the 'Discover' tab in the storefront to confirm coordinate frames by data provider. - `id` string: Unique identifier of the record, auto-generated by the system. - `classificationMarking` string, required: Classification marking of the data in IC/CAPCO Portion-marked format. - `obTime` string, date-time, required: Ob detection time in ISO 8601 UTC with microsecond precision. - `idOnOrbit` string: Unique identifier of the target on-orbit object, if correlated. - `idSensor` string: Unique identifier of the reporting sensor. - `satNo` integer: Satellite/Catalog number of the target on-orbit object. - `taskId` string: Optional identifier to indicate the specific tasking which produced this observation. - `transactionId` string: Optional identifier to track a commercial or marketplace transaction executed to produce this data. - `trackId` string: Optional identifier of the track to which this observation belongs. - `obPosition` string: The position of this observation within a track (FENCE, FIRST, IN, LAST, SINGLE). This identifier is optional and, if null, no assumption should be made regarding whether other observations may or may not exist to compose a track. - `origObjectId` string: Optional identifier provided by observation source to indicate the target onorbit object of this observation. This may be an internal identifier and not necessarily a valid satellite number. - `origSensorId` string: Optional identifier provided by observation source to indicate the sensor identifier which produced this observation. This may be an internal identifier and not necessarily a valid sensor ID. - `uct` boolean: Boolean indicating this observation is part of an uncorrelated track or was unable to be correlated to a known object. This flag should only be set to true by data providers after an attempt to correlate to an on-orbit object was made and failed. If unable to correlate, the 'origObjectId' field may be populated with an internal data provider specific identifier. - `azimuth` number, double: azimuth angle in degrees and topocentric frame. - `azimuthMeasured` boolean: Optional flag indicating whether the azimuth value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `azimuthUnc` number, double: One sigma uncertainty in the line of sight azimuth angle measurement, in degrees. - `azimuthBias` number, double: Sensor azimuth angle bias in degrees. - `azimuthRate` number, double: Rate of change of the line of sight azimuth in degrees per second. - `elevation` number, double: Line of sight elevation in degrees and topocentric frame. - `elevationMeasured` boolean: Optional flag indicating whether the elevation value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `elevationUnc` number, double: One sigma uncertainty in the line of sight elevation angle measurement, in degrees. - `elevationBias` number, double: Sensor elevation bias in degrees. - `elevationRate` number, double: Rate of change of the line of sight elevation in degrees per second. - `range` number, double: Target range in km. - `rangeMeasured` boolean: Optional flag indicating whether the range value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `rangeAccel` number, double: Range accelaration in km/s2. - `rangeAccelUnc` number, double: One sigma uncertainty in the range acceleration measurement, in kilometers/(second^2). - `rangeUnc` number, double: One sigma uncertainty in the range measurement, in kilometers. - `rangeBias` number, double: Sensor range bias in km. - `rangeRate` number, double: Rate of change of the line of sight range in km/sec. - `rangeRateMeasured` boolean: Optional flag indicating whether the rangeRate value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `rangeRateUnc` number, double: One sigma uncertainty in the range rate measurement, in kilometers/second. - `doppler` number, double: Corrected doppler measurement in meters per second. - `dopplerUnc` number, double: One sigma uncertainty in the corrected doppler measurement, in meters/second. - `ra` number, double: Line of sight right ascension in degrees and J2000 coordinate frame. - `raMeasured` boolean: Optional flag indicating whether the ra value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `declination` number, double: Line of sight declination angle in degrees and J2000 coordinate frame. - `declinationMeasured` boolean: Optional flag indicating whether the declination value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `x` number, double: X position of target in km in J2000 coordinate frame. - `y` number, double: Y position of target in km in J2000 coordinate frame. - `z` number, double: Z position of target in km in J2000 coordinate frame. - `xvel` number, double: X velocity of target in km/sec in J2000 coordinate frame. - `yvel` number, double: Y velocity of target in km/sec in J2000 coordinate frame. - `zvel` number, double: Z velocity of target in km/sec in J2000 coordinate frame. - `senx` number, double: Sensor x position in km at obTime (if mobile/onorbit) in the specified senReferenceFrame. If senReferenceFrame is null then J2000 should be assumed. - `seny` number, double: Sensor y position in km at obTime (if mobile/onorbit) in the specified senReferenceFrame. If senReferenceFrame is null then J2000 should be assumed. - `senz` number, double: Sensor z position in km at obTime (if mobile/onorbit) in the specified senReferenceFrame. If senReferenceFrame is null then J2000 should be assumed. - `rcs` number, double: Radar cross section in meters squared for polarization principal. - `rcsUnc` number, double: one sigma uncertainty in principal polarization Radar Cross Section, in meters^2. - `orthogonalRcs` number, double: Radar cross section in meters squared for orthogonal polarization. - `orthogonalRcsUnc` number, double: one sigma uncertainty in orthogonal polarization Radar Cross Section, in meters^2. - `snr` number, double: Signal to noise ratio, in dB. - `trackingState` string: The beam type (or tracking state) in use at the time of collection of this observation. Values include: INIT ACQ WITH INIT VALUES: Initial acquisition based on predefined initial values such as position, velocity, or other specific parameters. INIT ACQ: Initial acquisition when no prior information or initial values such as position or velocity are available. TRACKING SINGLE BEAM: Continuously tracks and monitors a single target using one specific radar beam. TRACKING SEQUENTIAL ROVING: Sequentially tracks different targets or areas by "roving" from one sector to the next in a systematic order. SELF ACQ WITH INIT VALUES: Autonomously acquires targets using predefined starting parameters or initial values. SELF ACQ: Automatically detects and locks onto targets without the need for predefined initial settings. NON-TRACKING: Non-tracking. - `beam` number, double: ID of the beam that produced this observation. - `timingBias` number, double: Sensor timing bias in seconds. - `rawFileURI` string: Optional URI location in the document repository of the raw file parsed by the system to produce this record. To download the raw file, prepend https://udl-hostname/scs/download?id= to this value. - `source` string, required: Source of the data. - `origin` string: Originating system or organization which produced the data, if different from the source. The origin may be different than the source if the source was a mediating system which forwarded the data on behalf of the origin system. If null, the source may be assumed to be the origin. - `dataMode` 'REAL' | 'TEST' | 'SIMULATED' | 'EXERCISE', required: Indicator of whether the data is REAL, TEST, EXERCISE, or SIMULATED data: REAL: Data collected or produced that pertains to real-world objects, events, and analysis. TEST: Specific datasets used to evaluate compliance with specifications and requirements, and for validating technical, functional, and performance characteristics. EXERCISE: Data pertaining to a government or military exercise. The data may include both real and simulated data. SIMULATED: Synthetic data generated by a model to mimic real-world datasets. - `createdAt` string, date-time: Time the row was created in the database, auto-populated by the system. - `createdBy` string: Application user who created the row in the database, auto-populated by the system. - `senReferenceFrame` 'J2000' | 'EFG/TDR' | 'ECR/ECEF' | 'TEME' | 'ITRF' | 'GCRF': The reference frame of the observing sensor state. If the senReferenceFrame is null it is assumed to be J2000. - `descriptor` string: Optional source-provided and searchable metadata or descriptor of the data. - `origNetwork` string: The originating source network on which this record was created, auto-populated by the system. - `sourceDL` string: The source data library from which this record was received. This could be a remote or tactical UDL or another data library. If null, the record should be assumed to have originated from the primary Enterprise UDL. - `type` string: Read only enumeration specifying the type of observation (e.g. OPTICAL, RADAR, RF, etc). - `rfObservation` RFObservationAbridged: Model representation of observation data for active/passive radio frequency (RF) based sensor phenomenologies. J2000 is the preferred coordinate frame for all observations, but in some cases observations may be in another frame depending on the provider. Please see the 'Discover' tab in the storefront to confirm coordinate frames by data provider. RF observations include several optional ordered arrays which are used to provide detailed information on recorded signals such as power spectral density lists or active signals (code taps/fills, etc). In these cases, the sizes of the arrays must match and can be assumed to have consistent indexing across arrays (e.g. powers[0] is the measured power at frequencies[0]). - `origNetwork` string: The originating source network on which this record was created, auto-populated by the system. - `type` string, required: Type of RF ob (e.g. RF, RF-SOSI, PSD, RFI, SPOOF, etc). - `id` string: Unique identifier of the record, auto-generated by the system. - `classificationMarking` string, required: Classification marking of the data in IC/CAPCO Portion-marked format. - `obTime` string, date-time, required: Ob detection time in ISO 8601 UTC with microsecond precision. - `idOnOrbit` string: Unique identifier of the target on-orbit object, if correlated. - `idSensor` string: Unique identifier of the reporting sensor. - `satNo` integer: Satellite/Catalog number of the target on-orbit object. - `taskId` string: Optional identifier to indicate the specific tasking which produced this observation. - `transactionId` string: Optional identifier to track a commercial or marketplace transaction executed to produce this data. - `trackId` string: Optional identifier of the track to which this observation belongs. - `origObjectId` string: Optional identifier provided by observation source to indicate the target onorbit object of this observation. This may be an internal identifier and not necessarily a valid satellite number. - `origSensorId` string: Optional identifier provided by observation source to indicate the sensor identifier which produced this observation. This may be an internal identifier and not necessarily a valid sensor ID. - `uct` boolean: Boolean indicating this observation is part of an uncorrelated track or was unable to be correlated to a known object. This flag should only be set to true by data providers after an attempt to correlate to an on-orbit object was made and failed. If unable to correlate, the 'origObjectId' field may be populated with an internal data provider specific identifier. - `transponder` string: Optional identifier provided by observation source to indicate the transponder used for this measurement. - `azimuth` number, double: Azimuth angle in degrees and topocentric coordinate frame. - `azimuthMeasured` boolean: Optional flag indicating whether the azimuth value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `azimuthUnc` number, double: One sigma uncertainty in the azimuth angle measurement, in degrees. - `azimuthRate` number, double: Rate of change of the azimuth in degrees per second. - `elevation` number, double: Elevation in degrees and topocentric coordinate frame. - `elevationMeasured` boolean: Optional flag indicating whether the elevation value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `elevationUnc` number, double: One sigma uncertainty in the elevation angle measurement, in degrees. - `elevationRate` number, double: Rate of change of the elevation in degrees per second. - `range` number, double: Target range in kilometers. - `rangeMeasured` boolean: Optional flag indicating whether the range value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `rangeUnc` number, double: One sigma uncertainty in the range measurement, in kilometers. - `rangeRate` number, double: Rate of change of the range in kilometers per second. - `rangeRateMeasured` boolean: Optional flag indicating whether the rangeRate value is measured (true) or computed (false). If null, consumers may consult the data provider for information regarding whether the corresponding value is computed or measured. - `rangeRateUnc` number, double: One sigma uncertainty in the range rate measurement, in kilometers/second. - `trackRange` number, double: Target track or apparent range in kilometers. - `senlat` number, double: Sensor WGS84 latitude at obTime (if mobile/onorbit) in degrees. If null, can be obtained from sensor info. -90 to 90 degrees (negative values south of equator). - `senlon` number, double: Sensor WGS84 longitude at obTime (if mobile/onorbit) in degrees. If null, can be obtained from sensor info. -180 to 180 degrees (negative values west of Prime Meridian). - `senalt` number, double: Sensor altitude at obTime (if mobile/onorbit) in km. If null, can be obtained from sensor info. - `elnot` string: ELINT notation. - `frequency` number, double: Center carrier frequency in hertz. - `nominalFrequency` number, double: Nominal or expected center carrier frequency in hertz. - `startFrequency` number, double: Start carrier frequency in hertz. - `endFrequency` number, double: End carrier frequency in hertz. - `relativeCarrierPower` number, double: Measured power of the center carrier frequency in decibel watts. - `spectrumAnalyzerPower` number, double: Measured spectrum analyzer power of the center carrier frequency in decibel watts. - `relativeNoiseFloor` number, double: The measure of the signal created from the sum of all the noise sources and unwanted signals within the measurement system, in decibel watts. - `referenceLevel` number, double: Reference signal level, in decibel watts. - `pgri` number, double: A pulse group repetition interval (PGRI) is a pulse train in which there are groups of closely spaced pulses separated by much longer times between these pulse groups. The PGRI is measured in seconds. - `confidence` number, double: Confidence in the signal and its measurements and characterization. - `incoming` boolean: True if the signal is incoming, false if outgoing. - `switchPoint` integer: Switch Point of the RFObservation record. - `baudRate` number, double: Baud rate is the number of symbol changes, waveform changes, or signaling events, across the transmission medium per second. - `snr` number, double: Signal to noise ratio, in decibels. - `nominalSnr` number, double: Nominal or expected signal to noise ratio, in decibels. - `polarity` number, double: The antenna pointing dependent polarizer angle, in degrees. - `polarityType` 'H' | 'V' | 'R' | 'L': Transponder polarization e.g. H - (Horizontally Polarized) Perpendicular to Earth's surface, V - (Vertically Polarized) Parallel to Earth's surface, L - (Left Hand Circularly Polarized) Rotating left relative to the earth's surface, R - (Right Hand Circularly Polarized) Rotating right relative to the earth's surface. - `channel` integer: Channel of the RFObservation record. - `powerOverNoise` number, double: Measured carrier power over noise (decibel watts per hertz). - `nominalPowerOverNoise` number, double: Expected carrier power over noise (decibel watts per hertz). - `bandwidth` number, double: Measured bandwidth in hertz. - `nominalBandwidth` number, double: Expected bandwidth in hertz. - `resolutionBandwidth` number, double: Resolution bandwidth in hertz. - `videoBandwidth` number, double: Video bandwidth in hertz. - `eirp` number, double: Measured Equivalent Isotopically Radiated Power in decibel watts. - `nominalEirp` number, double: Expected Equivalent Isotopically Radiated Power in decibel watts. - `minPSD` number, double: Minimum measured PSD value of the trace in decibel watts. - `maxPSD` number, double: Maximum measured PSD value of the trace in decibel watts. - `frequencyShift` number, double: Frequency Shift of the RFObservation record. - `peak` boolean: Peak of the RFObservation record. - `antennaName` string: Antenna name of the RFObservation record. - `detectionStatus` string: Detection status (e.g. DETECTED, CARRIER_ACQUIRING, CARRIER_DETECTED, NOT_DETECTED, etc). - `collectionMode` string: Collection mode (e.g. CONTINUOUS, MANUAL, NEIGHBORHOOD_WATCH, DIRECTED_SEARCH, SPOT_SEARCH, SURVEY, etc). - `rawFileURI` string: Optional URI location in the document repository of the raw file parsed by the system to produce this record. To download the raw file, prepend https://udl-hostname/scs/download?id= to this value. - `source` string, required: Source of the data. - `origin` string: Originating system or organization which produced the data, if different from the source. The origin may be different than the source if the source was a mediating system which forwarded the data on behalf of the origin system. If null, the source may be assumed to be the origin. - `dataMode` 'REAL' | 'TEST' | 'SIMULATED' | 'EXERCISE', required: Indicator of whether the data is REAL, TEST, EXERCISE, or SIMULATED data: REAL: Data collected or produced that pertains to real-world objects, events, and analysis. TEST: Specific datasets used to evaluate compliance with specifications and requirements, and for validating technical, functional, and performance characteristics. EXERCISE: Data pertaining to a government or military exercise. The data may include both real and simulated data. SIMULATED: Synthetic data generated by a model to mimic real-world datasets. - `createdAt` string, date-time: Time the row was created in the database, auto-populated by the system. - `createdBy` string: Application user who created the row in the database, auto-populated by the system. - `noisePwrDensity` number, double: Noise power density, in decibel watts per hertz. - `carrierStandard` string: Carrier standard (e.g. DVB-S2, 802.11g, etc.). - `modulation` string: Transponder modulation (e.g. Auto, QPSK, 8PSK, etc). - `innerCodingRate` integer: Inner forward error correction rate: 0 = Auto, 1 = 1/2, 2 = 2/3, 3 = 3/4, 4 = 5/6, 5 = 7/8, 6 = 8/9, 7 = 3/5, 8 = 4/5, 9 = 9/10, 15 = None. - `outerCodingRate` integer: Outer forward error correction rate: 0 = Auto, 1 = 1/2, 2 = 2/3, 3 = 3/4, 4 = 5/6, 5 = 7/8, 6 = 8/9, 7 = 3/5, 8 = 4/5, 9 = 9/10, 15 = None. - `transmitFilterType` string: Transmit pulse shaping filter type (e.g. RRC). - `transmitFilterRollOff` number, double: Transmit pulse shaping filter roll-off value. - `symbolToNoiseRatio` number, double: Symbol to noise ratio, in decibels. - `bitErrorRate` number, double: The ratio of bit errors per number of received bits. - `origMarking` string: Original security marking that the data was marked with. - `origCountry` string: Country of origin in which the data was originally posted. - `sourceDL` string: The source data library from which this record was received. This could be a remote or tactical UDL or another data library. If null, the record should be assumed to have originated from the primary Enterprise UDL. - `descriptor` string: Optional source-provided and searchable metadata or descriptor of the data. - `url` string: Optional URL containing additional information on this observation. ## Other responses - `400`: Bad Request - `401`: Invalid/Missing User Credentials - `403`: User Is Not Authorized - `405`: Method Not Allowed - `406`: MediaType Not Accepted by Request Headers - `429`: Rate of Requests Exceeds Allowed Limit - `500`: Internal Server Error ## Changes > 12 revisions in range; 1 could not be searched. - **2025-12-15** `7b321e16ea56`: 1 info - added the optional property `eoObservation/zeroPtdUnc` to the response with the `200` status - **2025-09-26** `45631f9bb3f0`: 2 info - added the optional property `rfObservation/origCountry` to the response with the `200` status - added the optional property `rfObservation/origMarking` to the response with the `200` status - **2025-05-29** `4e1cbc17e814`: 2 info - added the new optional `query` request parameter `firstResult` - added the new optional `query` request parameter `maxResults` - **2025-04-16** `75f764c843a9`: 20 info - api operation id `getSignature` removed and replaced with `` - the endpoint scheme security `BasicAuth` was removed from the API - added the optional property `eoObservation/azimuthMeasured` to the response with the `200` status - added the optional property `eoObservation/declinationMeasured` to the response with the `200` status - …16 more [Operation history](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api/changes/udl/onorbit/getSignature/get.md) --- [API](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api.md) - [All operations](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api/llms.txt) - [OpenAPI document](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api/revisions/bd17bc53681e?raw)