Welcome to the StationXML documentation!

Version: 1.1.0 (2020-09-02)

• Contents
• 1. Overview
  • 1.1. Introducing StationXML
    • 1.1.1. StationXML Example
    • 1.1.2. The FDSN and StationXML schema
  • 1.2. Documentation Organization
  • 1.3. Some History - SEED
  • 1.4. StationXML Schema Changes
  • 1.5. Documentation Changes
• 2. StationXML Reference
  • 2.1. <FDSNStationXML> required
    • 2.1.1. <Source> required
    • 2.1.2. <Sender>
    • 2.1.3. <Module>
    • 2.1.4. <ModuleURI>
    • 2.1.5. <Created> required
  • 2.2. <Network> required
    • 2.2.1. <Description>
    • 2.2.2. <Identifier>
    • 2.2.3. <Comment>
      • <Value> required
      • <BeginEffectiveTime>
      • <EndEffectiveTime>
      • <Author>
        • <Name>
        • <Agency>
        • <Email>
        • <Phone>
          • <CountryCode>
          • <AreaCode> required
          • <PhoneNumber> required
    • 2.2.4. <DataAvailability>
      • <Extent>
      • <Span>
    • 2.2.5. <Operator>
      • <Agency> required
      • <Contact>
        • <Name>
        • <Agency>
        • <Email>
        • <Phone>
          • <CountryCode>
          • <AreaCode> required
          • <PhoneNumber> required
      • <WebSite>
    • 2.2.6. <TotalNumberStations>
    • 2.2.7. <SelectedNumberStations>
  • 2.3. <Station>
    • 2.3.1. <Description>
    • 2.3.2. <Identifier>
    • 2.3.3. <Comment>
      • <Value> required
      • <BeginEffectiveTime>
      • <EndEffectiveTime>
      • <Author>
        • <Name>
        • <Agency>
        • <Email>
        • <Phone>
          • <CountryCode>
          • <AreaCode> required
          • <PhoneNumber> required
    • 2.3.4. <DataAvailability>
      • <Extent>
      • <Span>
    • 2.3.5. <Latitude> required
    • 2.3.6. <Longitude> required
    • 2.3.7. <Elevation> required
    • 2.3.8. <Site> required
      • <Name> required
      • <Description>
      • <Town>
      • <County>
      • <Region>
      • <Country>
    • 2.3.9. <WaterLevel>
    • 2.3.10. <Vault>
    • 2.3.11. <Geology>
    • 2.3.12. <Equipment>
      • <Type>
      • <Description>
      • <Manufacturer>
      • <Vendor>
      • <Model>
      • <SerialNumber>
      • <InstallationDate>
      • <RemovalDate>
      • <CalibrationDate>
    • 2.3.13. <Operator>
      • <Agency> required
      • <Contact>
        • <Name>
        • <Agency>
        • <Email>
        • <Phone>
          • <CountryCode>
          • <AreaCode> required
          • <PhoneNumber> required
      • <WebSite>
    • 2.3.14. <CreationDate>
    • 2.3.15. <TerminationDate>
    • 2.3.16. <TotalNumberChannels>
    • 2.3.17. <SelectedNumberChannels>
    • 2.3.18. <ExternalReference>
      • <URI> required
      • <Description> required
  • 2.4. <Channel>
    • 2.4.1. <Description>
    • 2.4.2. <Identifier>
    • 2.4.3. <Comment>
      • <Value> required
      • <BeginEffectiveTime>
      • <EndEffectiveTime>
      • <Author>
        • <Name>
        • <Agency>
        • <Email>
        • <Phone>
          • <CountryCode>
          • <AreaCode> required
          • <PhoneNumber> required
    • 2.4.4. <DataAvailability>
      • <Extent>
      • <Span>
    • 2.4.5. <ExternalReference>
      • <URI> required
      • <Description> required
    • 2.4.6. <Latitude> required
    • 2.4.7. <Longitude> required
    • 2.4.8. <Elevation> required
    • 2.4.9. <Depth> required
    • 2.4.10. <Azimuth>
    • 2.4.11. <Dip>
    • 2.4.12. <WaterLevel>
    • 2.4.13. <Type>
    • 2.4.14. <SampleRate>
    • 2.4.15. <SampleRateRatio>
      • <NumberSamples> required
      • <NumberSeconds> required
    • 2.4.16. <ClockDrift>
    • 2.4.17. <CalibrationUnits>
      • <Name> required
      • <Description>
    • 2.4.18. <Sensor>
      • <Type>
      • <Description>
      • <Manufacturer>
      • <Vendor>
      • <Model>
      • <SerialNumber>
      • <InstallationDate>
      • <RemovalDate>
      • <CalibrationDate>
    • 2.4.19. <PreAmplifier>
      • <Type>
      • <Description>
      • <Manufacturer>
      • <Vendor>
      • <Model>
      • <SerialNumber>
      • <InstallationDate>
      • <RemovalDate>
      • <CalibrationDate>
    • 2.4.20. <DataLogger>
      • <Type>
      • <Description>
      • <Manufacturer>
      • <Vendor>
      • <Model>
      • <SerialNumber>
      • <InstallationDate>
      • <RemovalDate>
      • <CalibrationDate>
    • 2.4.21. <Equipment>
      • <Type>
      • <Description>
      • <Manufacturer>
      • <Vendor>
      • <Model>
      • <SerialNumber>
      • <InstallationDate>
      • <RemovalDate>
      • <CalibrationDate>
  • 2.5. <Response>
    • 2.5.1. <InstrumentSensitivity>
      • <Value> required
      • <Frequency> required
      • <InputUnits> required
        • <Name> required
        • <Description>
      • <OutputUnits> required
        • <Name> required
        • <Description>
      • <FrequencyStart>
      • <FrequencyEnd>
      • <FrequencyDBVariation>
    • 2.5.2. <InstrumentPolynomial>
      • <Description>
      • <InputUnits> required
        • <Name> required
        • <Description>
      • <OutputUnits> required
        • <Name> required
        • <Description>
      • <ApproximationType> required
      • <FrequencyLowerBound> required
      • <FrequencyUpperBound> required
      • <ApproximationLowerBound> required
      • <ApproximationUpperBound> required
      • <MaximumError> required
      • <Coefficient> required
    • 2.5.3. <Stage>
      • <PolesZeros>
        • <Description>
        • <InputUnits> required
          • <Name> required
          • <Description>
        • <OutputUnits> required
          • <Name> required
          • <Description>
        • <PzTransferFunctionType> required
        • <NormalizationFactor> required
        • <NormalizationFrequency> required
        • <Zero>
          • <Real> required
          • <Imaginary> required
        • <Pole>
          • <Real> required
          • <Imaginary> required
      • <Coefficients>
        • <Description>
        • <InputUnits> required
          • <Name> required
          • <Description>
        • <OutputUnits> required
          • <Name> required
          • <Description>
        • <CfTransferFunctionType> required
        • <Numerator>
        • <Denominator>
      • <ResponseList>
        • <Description>
        • <InputUnits> required
          • <Name> required
          • <Description>
        • <OutputUnits> required
          • <Name> required
          • <Description>
        • <ResponseListElement>
          • <Frequency> required
          • <Amplitude> required
          • <Phase> required
      • <FIR>
        • <Description>
        • <InputUnits> required
          • <Name> required
          • <Description>
        • <OutputUnits> required
          • <Name> required
          • <Description>
        • <Symmetry> required
        • <NumeratorCoefficient>
      • <Decimation>
        • <InputSampleRate> required
        • <Factor> required
        • <Offset> required
        • <Delay> required
        • <Correction> required
      • <StageGain> required
        • <Value> required
        • <Frequency> required
      • <Polynomial> required
        • <Description>
        • <InputUnits> required
          • <Name> required
          • <Description>
        • <OutputUnits> required
          • <Name> required
          • <Description>
        • <ApproximationType> required
        • <FrequencyLowerBound> required
        • <FrequencyUpperBound> required
        • <ApproximationLowerBound> required
        • <ApproximationUpperBound> required
        • <MaximumError> required
        • <Coefficient> required
• 3. Specifying and Using Response Information
  • 3.1. Theory of Instrument Response
    • 3.1.1. The Fourier Transform
      • Introduction
      • Discrete Time Fourier Transform (DTFT)
      • Discrete Fourier Transform (DFT)
    • 3.1.2. The Laplace Transform
      • Introduction
      • Poles and Zeros
    • 3.1.3. The z-Transform
      • Introduction
      • Difference Equations
      • z-Transform Frequency Response
        • Examples
          • Example 1
          • Example 2
    • 3.1.4. FIR-IIR Filters
      • Introduction
      • FIR vs IIR
      • Classification of FIR Filters
        • Type I: M even
        • Type II: M odd
        • Type III/IV anti-symmetric
        • Practical Concerns
    • 3.1.5. Convolution
      • Introduction
      • Proof
    • 3.1.6. References
  • 3.2. Practical Instrument Response
    • 3.2.1. Introduction
    • 3.2.2. Sensor Response as a Linear Sequence of Stages
    • 3.2.3. Stage 1: The Analog Sensor
      • Analog polezero examples
      • Converting s = rad/s to/from Hz
    • 3.2.4. Stage 2: The Pre-Amplifier
    • 3.2.5. Stage 2+: The Datalogger
      • FIR anti-alias filter
      • Decimation
  • 3.3. StationXML Response Examples
    • 3.3.1. Broadband sensor
    • 3.3.2. Broadband sensor
    • 3.3.3. Short-period sensor
    • 3.3.4. Short-period sensor
    • 3.3.5. Accelerometer
    • 3.3.6. YSI 44031 thermistor
      • How the InstrumentPolynomial was calculated
    • 3.3.7. Setra 270
      • How the InstrumentPolynomial was calculated
• 4. StationXML Tools
  • 4.1. obspy + NRL
  • 4.2. IRIS SEED-StationXML Converter
  • 4.3. IRIS StationXML Validator
• 5. Appendices
  • 5.1. Mapping SEED blockettes to StationXML
    • 5.1.1. B34 Units Abbreviations
    • 5.1.2. B50 Station Identifier
    • 5.1.3. B52 Channel Identifier
    • 5.1.4. B53 Response Poles & Zeros
    • 5.1.5. B55 Response List
    • 5.1.6. B57 Decimation
    • 5.1.7. B58 Channel Sensitivity/Gain
    • 5.1.8. B61 FIR Response
    • 5.1.9. B62 Response Polynomial
  • 5.2. Embedded Schema Keywords
  • 5.3. Identifiers and codes
  • 5.4. Unit Naming Rules
  • 5.5. Type Glossary
• Specification home
• FDSN home

Indices and tables

• Overview

• StationXML Reference

• The Fourier Transform

• StationXML Tools

• Appendices