Name
|
Description
|
Attributes
|
AngleType
|
A flag indicating which angle pair to process, either Azimuth/Elevation or Right Ascension/Declination measurements.
|
Type: Variable
Access: Read/Write
|
Azimuth
|
The Azimuth measurement associated with this GroundStationObservation, in units of radians.
|
Type: Measurement
Access: Read-Only
|
CarrierLockStatus
|
Carrier lock status. 0 => Off; 1 => Open; 2 => Acquiring; FFT Search; 3 => Acquiring, Waiting for Lock Decision; 4 => In Lock; 5 => Out of Lock
|
Type: Variable
Access: Read/Write
|
DeclaredName
|
The name of the object as declared.
|
Type: String
Access: Read-Only
|
Declination
|
The Declination measurement associated with this GroundStationObservation, measured in the True Equator, Mean Equinox frame.
|
Type: Measurement
Access: Read-Only
|
DeltaFrequency
|
The change in downlink frequency since the last sample, divided by the downlink frequency at this time tag.
|
Type: Variable
Access: Read/Write
|
DownlinkChannelNumber
|
Downlink channel number; 0 implies unknown.
|
Type: Variable
Access: Read/Write
|
DownlinkRangeObservable
|
Downlink range observable. Includes all measurement adjustments (station calibration, time tag adjustments, spacecraft delay, and Z-height)
|
Type: Variable
Access: Read/Write
Units: RU
|
DownlinkStationCalibration
|
Uplink Station Calibration
|
Type: Variable
Access: Read/Write
Units: RU
|
DownlinkZHeightCorrection
|
Downlink Z-Height correction
|
Type: Variable
Access: Read/Write
Units: s
|
Elevation
|
The Elevation measurement associated with this GroundStationObservation, in units of radians.
|
Type: Measurement
Access: Read-Only
|
ExcitedScalarDenominator
|
ExcitedScalarDenominator property of the observing GroundStation. This is used in determining the Spacecraft turn around ratio.
|
Type: Variable
Access: Read/Write
|
ExcitedScalarNumerator
|
ExcitedScalarNumerator property of the observing GroundStation. This is used in determining the Spacecraft turn around ratio.
|
Type: Variable
Access: Read/Write
|
IntegratedFrequency
|
The integrated Frequency over the transmission time divided by the transmission time.
|
Type: Variable
Access: Read-Only
Units: Hz
|
LastComponentOfRanging
|
Last component of ranging; this is used to determine the range code length on the signal (which determines the Range Ambiguity as 2^(6+C2) RU))
|
Type: Variable
Access: Read/Write
|
MeasuredRange
|
Measured Range; does not include compensation for station calibration. This maps to the meas_rng field in TRK-2-34 data.
|
Type: Variable
Access: Read/Write
Units: RU
|
Name
|
The name displayed for this object in output windows such as views, plots, and reports.
|
Type: String
Access: Read/Write
|
ObjectBeingObserved
|
The Spacecraft being tracked by the Ground Antenna.
|
Type: Object
Access: Read-Only
|
ObjectId
|
The unique identifier for the object.
|
Type: Variable
Access: Read-Only
|
ObjectType
|
The type of the object.
|
Type: String
Access: Read-Only
|
ObservedEpoch
|
The epoch of the Observation in TAI.
|
Type: Variable
Access: Read/Write
Units: day
|
ObservedSensor
|
The Sensor attached to the Transponder being observed. The Sensor's X, Y, and Z position properties will be used to model an offset from the origin of the Spacecraft BCS when modeling measurements. This property is optional.
|
Type: Sensor
Access: Read-Only
|
Observer
|
The Ground Antenna that is transmitting the tracking signal.
|
Type: Object
Access: Read-Only
|
PhaseCountParts
|
Total Count Phase observable of current record. This is stored as 3 values in an Array. The high part, which is total integer phase cycles divided by 2^32, is the first array element. The low part, which is Total integer phase cycles modulo 2^32, is the second array element. The fractional count, which is Total integer phase cycles multiplied by 2^32, is the third array element.
|
Type: Array
Access: Read/Write
|
PhaseCountStartEpoch
|
Epoch of the start of the phase count transmission.
|
Type: Variable
Access: Read/Write
Units: day
|
PredictedRoundTripLightTime
|
Predicted round-trip light time
|
Type: Variable
Access: Read/Write
Units: s
|
PredictsMode
|
The PredictsMode field from the record. 0 => No Predicts, 1 => 1-way, 2 => 2-way, 3 => 3-way, 4 => unknown.
|
Type: Variable
Access: Read/Write
|
PreviousPhaseCountObservationEpoch
|
Epoch of the last phase count observation.
|
Type: Variable
Access: Read/Write
Units: day
|
PreviousPhaseCountParts
|
Total Count Phase observable of previous record. This is stored as 3 values in an Array. The high part, which is total integer phase cycles divided by 2^32, is the first array element. The low part, which is Total integer phase cycles modulo 2^32, is the second array element. The fractional count, which is Total integer phase cycles multiplied by 2^32, is the third array element.
|
Type: Array
Access: Read/Write
|
Range
|
The Range measurement associated with this GroundStationObservation, in units of km.
|
Type: Measurement
Access: Read-Only
|
RangeAmbiguityCount
|
Number of full length range codes on the signal.
|
Type: Variable
Access: Read-Only
|
RangeMeasurementType
|
Range measurement type. Type of sequential measurement.
|
Type: Variable
Access: Read/Write
|
RangeModulo
|
Range modulo value. Range measurement modulo (ambiguity).
|
Type: Variable
Access: Read/Write
|
RangeObservable
|
Range Observable; includes all station calibration and other adjustments. This maps to the rng_obs field in TRK-2-34 data.
|
Type: Variable
Access: Read/Write
Units: RU
|
RangeObservableToUse
|
Indicates which range observable to use. If this is set to uncorrected then the raw range (meas_rng) is used, and the calibrations / corrections are applied manually. Otherwise the corrected range observable (rng_obs) is used.
|
Type: Variable
Access: Read/Write
|
RangeRate
|
The Range-Rate measurement associated with this GroundStationObservation, in units of km/s.
|
Type: Measurement
Access: Read-Only
|
ReceiveInPhaseTime
|
Receive In-phase time. Offset from time tag of time of zero phase on downlink range signal
|
Type: Variable
Access: Read/Write
Units: s
|
ReceivingAntenna
|
The Ground Antenna that is receiving the tracking signal.
|
Type: GroundAntenna
Access: Read-Only
|
ReceptionTimeTagDelay
|
The reception time-tag delay for the antenna.
|
Type: Variable
Access: Read/Write
Units: s
|
RightAscension
|
The Right Ascension measurement associated with this GroundStationObservation, measured in the True Equator, Mean Equinox frame.
|
Type: Measurement
Access: Read-Only
|
TimeTagFrequency
|
Frequency recorded at the measurement time tag.
|
Type: Variable
Access: Read/Write
Units: Hz
|
TransmitInPhaseTime
|
Transmit In-phase time. Offset from time tag of time of zero phase on uplink range signal generation.
|
Type: Variable
Access: Read/Write
Units: s
|
TransmitTimeTagDelay
|
The transmit time-tag delay for the antenna.
|
Type: Variable
Access: Read/Write
Units: s
|
TransmittingAntenna
|
The Ground Antenna that is transmitting the tracking signal.
|
Type: GroundAntenna
Access: Read-Only
|
TurnAroundDenominator
|
Transponder turn around ratio denominator.
|
Type: Variable
Access: Read/Write
|
TurnAroundNumerator
|
Transponder turn around ratio numerator.
|
Type: Variable
Access: Read/Write
|
UplinkStationCalibration
|
Uplink Station Calibration
|
Type: Variable
Access: Read/Write
Units: RU
|
UplinkZHeightCorrection
|
Uplink Z-Height correction
|
Type: Variable
Access: Read/Write
Units: s
|
UseAzimuth
|
A flag indicating whether or not the Azimuth measurement will be used.
|
Type: Variable
Access: Read/Write
|
UseDeclination
|
A flag indicating whether or not the Declination measurement will be used.
|
Type: Variable
Access: Read/Write
|
UseDeltaFrequencyCorrection
|
Specifies whether to use the DeltaFrequency as a correction to the time-tag / integrated frequency.
|
Type: Variable
Access: Read/Write
|
UseElevation
|
A flag indicating whether or not the Elevation measurement will be used.
|
Type: Variable
Access: Read/Write
|
UseIonosphericCorrection
|
A flag indicating whether or not the Ionospheric correction will be used. The Ionospheric correction is only calculated when the Observing Ground Antenna references the Earth as its Central Body.
|
Type: Variable
Access: Read/Write
|
UseLightTimeCorrection
|
A flag indicating whether or not the Light-Time correction will be used.
|
Type: Variable
Access: Read/Write
|
UseMeasurementWeighting
|
A flag indicating whether or not to perform measurement weighting using internal geometric-based expressions. Measurement weighting should be turned off if a custom Measurement Noise model is implemented at the script level.
|
Type: Variable
Access: Read/Write
|
UseRange
|
A flag indicating whether or not the Range measurement will be used.
|
Type: Variable
Access: Read/Write
|
UseRangeRate
|
A flag indicating whether or not the Range-Rate measurement will be used.
|
Type: Variable
Access: Read/Write
|
UseRightAscension
|
A flag indicating whether or not the Right Ascension measurement will be used.
|
Type: Variable
Access: Read/Write
|
UseTroposphericCorrection
|
A flag indicating whether or not the Tropospheric correction will be used. The Tropospheric correction is only calculated when the Observing Ground Antenna references the Earth as its Central Body.
|
Type: Variable
Access: Read/Write
|
WasUnderweightingUsed
|
A flag indicating whether or not measurement underweighting was used as part of the filter state and covariance update for this observation.
|
Type: Variable
Access: Read-Only
|
