Skip to content

appendix-24mapping.rst

Latest commit

 

History

History
379 lines (344 loc) · 25.3 KB

appendix-24mapping.rst

File metadata and controls

379 lines (344 loc) · 25.3 KB

The following list of miniSEED 2.4 format structures specifies the mapping of all fields to this specification. In this listing the following abbreviations are used:

EH:Extra Header (of this specification), with path
SID:Source Identifier (of this specification)
FSDH:Fixed Section Data Header (in either specification)

miniSEED 2.4 Fixed Section Data Header (FSDH)

Field Description This specification
1 Sequence number EH: FDSN.Sequence
2 Data header/quality indicator

EH: FDSN.DataQuality

A data center may choose to
translate miniSEED 2.4 quality
values to publication versions
with the following mapping:
2.4 quality Pub. version
R 1
D 2
Q 3
M 4
3 Reserved byte [no mapping]
4 Station identifier code Incorporated into SID, FSDH field 13
5 Location identifier Incorporated into SID, FSDH field 13
6 Channel identifier Incorporated into SID, FSDH field 13
7 Network code Incorporated into SID, FSDH field 13
8 Record start time FSDH field 4
9 Number of samples FSDH field 7
10 Sample rate factor Incorporated into FSDH field 6
11 Sample rate multiplier Incorporated into FSDH field 6
12
Activity flags:
0 = calibration signals
1 = time correction applied
2 = begining of event
3 = end of event
4 = + leap second included
5 = - leap second included
6 = event in progress
FSDH and Extra headers:
FSDH field 3, bit 0
[no mapping]
FDSN.Event.Begin
FDSN.Event.End
FDSN.Time.LeapSecond
FDSN.Time.LeapSecond
FDSN.Event.InProgress
13
I/O flags, bits:
0 = Sta. volume parity error
1 = Long record read
2 = Short record read
3 = Start of time series
4 = End of time series
5 = Clock locked
FSDH and Extra headers:
FDSN.Flags.StationVolumeParityError
FDSN.Flags.LongRecordRead
FDSN.Flags.ShortRecordRead
FDSN.Flags.StartOfTimeSeries
FDSN.Flags.EndOfTimeSeries
FSDH field 3, bit 2
14
Data quality flags, bits:
0 = Amp. saturation detected
1 = Dig. clipping detected
2 = Spikes detected
3 = Glitches detected
4 = Missing/padded data
5 = Telemetry synch. error
6 = Digital filter charging
7 = Time tag questionable
FSDH and Extra headers:
FDSN.Flags.AmplifierSaturation
FDSN.Flags.DigitizerClipping
FDSN.Flags.Spikes
FDSN.Flags.Glitches
FDSN.Flags.MissingData
FDSN.Flags.TelemetrySyncError
FDSN.Flags.FilterCharging
FSDH field 3, bit 1
15 Number of blockettes that follow [no mapping]
16 Time correction EH: FDSN.Time.Correction
17 Beginning of data [no mapping]
18 First blockette [no mapping]

Blockette 100 (Sample Rate)

Field Description This specification
3 Actual sample rate FSDH field 6
4 Flags (undefined) [no mapping]
4 Reserved byte [no mapping]

Blockette 200 (Generic Event Detection)

Field Description This specification
3 Signal amplitude EH: FDSN.Event.Detection.SignalAmplitude
4 Signal period EH: FDSN.Event.Detection.SignalPeriod
5 Background estimate EH: FDSN.Event.Detection.BackgroundEstimate
6
Event detection flag bits:
0 = dil./comp. wave
1 = units
Extra headers:
FDSN.Event.Detection.Wave
FDSN.Event.Detection.Units
7 Reserved byte [no mapping]
8 Signal onset time EH: FDSN.Event.Detection.OnsetTime
9 Detector name EH: FDSN.Event.Detection.Detector

Blockette 201 (Murdock Event Detection)

Field Description This specification
3 Signal amplitude EH: FDSN.Event.Detection.SignalAmplitude
4 Signal period EH: FDSN.Event.Detection.SignalPeriod
5 Background estimate EH: FDSN.Event.Detection.BackgroundEstimate
6
Event detection flag bits:
0 = dil./comp. wave
Extra headers:
FDSN.Event.Detection.Wave
7 Reserved byte [no mapping]
8 Signal onset time EH: FDSN.Event.Detection.OnsetTime
9 Signal-to-noise values EH: FDSN.Event.Detection.MEDSNR (array)
10 Lookback value EH: FDSN.Event.Detection.MEDLookback
11 Pick algorithm EH: FDSN.Event.Detection.MEDPickAlgorithm
12 Detector name EH: FDSN.Event.Detection.Detector

Blockette 300 (Step Calibration)

Field Description This specification
3 Start calib EH: FDSN.Calibration.Sequence.Begintime
4 Num of calibs EH: FDSN.Calibration.Sequence.Steps
5
Calibration flags:
0 = first pulse
1 = cal alt sign
2 = cal auto
3 = cal cont
Extra headers:
FDSN.Calibration.Sequence.StepFirstPulsePositive
FDSN.Calibration.Sequence.StepAlternateSign
FDSN.Calibration.Sequence.Trigger
FDSN.Calibration.Sequence.Continued
6 Duration of step EH: FDSN.Calibration.Sequence.Duration
7 Time between steps EH: FDSN.Calibration.Sequence.StepBetween
8 Amp. of cal. signal EH: FDSN.Calibration.Sequence.Amplitude
9 Channel cal. signal EH: FDSN.Calibration.Sequence.InputChannel
10 Reserved byte [no mapping]
11 Reference amplitude EH: FDSN.Calibration.Sequence.ReferenceAmplitude
12 Coupling of signal EH: FDSN.Calibration.Sequence.Coupling
13 Rolloff of filters EH: FDSN.Calibration.Sequence.Rolloff

Blockette 310 (Sine Calibration)

Field Description This specification
3 Start calib EH: FDSN.Calibration.Sequence.Begintime
4 Reserved byte [no mapping]
5
Calibration flags:
2 = cal auto
3 = cal cont
4 = PtoP amp
5 = ZtoP amp
6 = RMS amp
Extra headers:
FDSN.Calibration.Sequence.Trigger
FDSN.Calibration.Sequence.Continued
FDSN.Calibration.Sequence.AmplitudeRange
FDSN.Calibration.Sequence.AmplitudeRange
FDSN.Calibration.Sequence.AmplitudeRange
6 Duration of cal EH: FDSN.Calibration.Sequence.Duration
7 Period of signal EH: FDSN.Calibration.Sequence.Period
8 Amp. of cal. signal EH: FDSN.Calibration.Sequence.Amplitude
9 Channel cal. signal EH: FDSN.Calibration.Sequence.InputChannel
10 Reserved byte [no mapping]
11 Reference amplitude EH: FDSN.Calibration.Sequence.ReferenceAmplitude
12 Coupling of signal EH: FDSN.Calibration.Sequence.Coupling
13 Rolloff of filters EH: FDSN.Calibration.Sequence.Rolloff

Blockette 320 (Pseudo-random Calibration)

Field Description This specification
3 Start calib EH: FDSN.Calibration.Sequence.Begintime
10 Reserved byte [no mapping]
5
Calibration flags:
2 = cal auto
3 = cal cont
4 = Random amps
Extra headers:
FDSN.Calibration.Sequence.Trigger
FDSN.Calibration.Sequence.Continued
FDSN.Calibration.Sequence.AmplitudeRange
6 Duration of cal EH: FDSN.Calibration.Sequence.Duration
7 PtoP amp. of steps EH: FDSN.Calibration.Sequence.Amplitude
8 Channel cal. signal EH: FDSN.Calibration.Sequence.InputChannel
9 Reserved byte [no mapping]
10 Reference amplitude EH: FDSN.Calibration.Sequence.ReferenceAmplitude
11 Coupling of signal EH: FDSN.Calibration.Sequence.Coupling
12 Rolloff of filters EH: FDSN.Calibration.Sequence.Rolloff
13 Noise type EH: FDSN.Calibration.Sequence.Noise

Blockette 390 (Generic Calibration)

Field Description This specification
3 Start calib EH: FDSN.Calibration.Sequence.Begintime
10 Reserved byte [no mapping]
5
Calibration flags:
2 = cal auto
3 = cal cont
Extra headers:
FDSN.Calibration.Sequence.Trigger
FDSN.Calibration.Sequence.Continued
6 Duration of cal EH: FDSN.Calibration.Sequence.Duration
7 Amplitude of signal EH: FDSN.Calibration.Sequence.Amplitude
8 Channel cal. signal EH: FDSN.Calibration.Sequence.InputChannel
9 Reserved byte [no mapping]

Blockette 395 (Calibration Abort)

Field Description This specification
3 End calib EH: FDSN.Calibration.Sequence.Endtime
10 Reserved byte [no mapping]

Blockette 400 (Beam), Blockette 405 (Beam Delay)

No mapping for these blockettes

Blockette 500 (Timing)

Field Description This specification
3 VCO correction EH: FDSN.Time.Exception.VCOCorrection
4 Time of exception EH: FDSN.Time.Exception.Time
5 Microsecond offset [included in record start time]
6 Reception quality EH: FDSN.Time.Exception.ReceptionQuality
7 Exception count EH: FDSN.Time.Exception.Count
8 Exception type EH: FDSN.Time.Exception.Type
9 Clock model EH: FDSN.Clock.Model
10 Clock status EH: FDSN.Time.Exception.ClockStatus

Blockette 1000 (Data Only SEED)

Field Description This specification
3 Encoding format FSDH field 5
4 Word order [no mapping, no longer needed]
5 Data record length [no mapping, no longer needed]
6 Reserved byte [no mapping]

Blockette 1001 (Data Extension)

Field Description This specification
3 Timing quality EH: FDSN.Time.Quality
4 Microsecond offset Incorporated into FSDH field 4
5 Reserved byte [no mapping]
6 Frame count [no mapping]

Blockette 2000 (Variable Length Opaque)

No mapping for this blockette. The opaque data encoding may be used to specify an opaque payload for nearly equivalent functionality.

Unsupported miniSEED 2.4 content

The following defined information in miniSEED 2.4 cannot be represented in this specification:

  • Clock model specification per timing exception. Current specification only allows a single clock model specification per record.
  • Blockettes 400 (Beam) & 405 (Beam Delay)
  • Blockette 2000 (Opaque Data)