# obspy.core.inventory.channel.Channel

class `Channel`(code, location_code, latitude, longitude, elevation, depth, azimuth=None, dip=None, types=None, external_references=None, sample_rate=None, sample_rate_ratio_number_samples=None, sample_rate_ratio_number_seconds=None, storage_format=None, clock_drift_in_seconds_per_sample=None, calibration_units=None, calibration_units_description=None, sensor=None, pre_amplifier=None, data_logger=None, equipment=None, response=None, description=None, comments=None, start_date=None, end_date=None, restricted_status=None, alternate_code=None, historical_code=None, data_availability=None)

  Bases: `obspy.core.inventory.util.BaseNode`

  From the StationXML definition:
    Equivalent to SEED blockette 52 and parent element for the related response blockettes.

  Attributes

  `__dict__` |
  `__doc__` | str(object=’‘) -> str
  `__hash__` |
  `__module__` | str(object=’‘) -> str
  `__weakref__` | list of weak references to the object (if defined)
  `alternate_code` | From the StationXML definition:
  `azimuth` |
  `clock_drift_in_seconds_per_sample` |
  `code` |
  `depth` |
  `dip` |
  `elevation` |
  `historical_code` | From the StationXML definition:
  `latitude` |
  `location_code` |
  `longitude` |
  `sample_rate` |

  Public Methods

  `copy` | Returns a deepcopy of the object.
  `is_active` | Checks if the item was active at some given point in time (time) and/or if it was active at some point during a certain time range (starttime, endtime).
  `plot` | Show bode plot of the channel’s instrument response.

  Private Methods

  Warning

  Private methods are mainly for internal/developer use and their API might change without notice.

  `_repr_pretty_` |

  Special Methods

  `__dir__` | default dir() implementation
  `__eq__` |
  `__format__` | default object formatter
  `__init__` |
  type code: | str
  `__ne__` |
  `__new__` | Create and return a new object.
  `__reduce__` | helper for pickle
  `__reduce_ex__` | helper for pickle
  `__sizeof__` | size of object in memory, in bytes
  `__str__` |
  `__subclasshook__` | Abstract classes can override this to customize issubclass().

### Thank you!

We would like to thank our contributors, whose efforts make this software what it is. These people have helped by writing code and documentation, and by testing. They have created and maintained this product, its associated libraries and applications, our build tools and our web sites.

#### Contributors

- Ackerley, Nick
- Allgeyer, Sebastien
- Ammon, Charles J.
- Antunes, Emanuel
- Arnarsson, Ólafur St.
- Bank, Markus
- Barsch, Robert
- Behr, Yannik
- Bernardi, Fabrizio
- Bernauer, Felix
- Bes de Berc, Maxime
- Beyreuther, Moritz
- Boltz, Shawn
- Bonaimé, Sébastien
- Carothers, Lloyd
- Chamberlain, Calum
- Chambers, Derrick
- Chen, Zhao
- Clark, Adam
- Danecek, Peter
- Egdorf, Sven
- Engels, Fabian
- Ermert, Laura
- Eulenfeld, Tom

- Fabbri, Tommaso
- Falco, Nicholas
- Fee, Jeremy
- Grellier, Clément
- Grunberg, Marc
- Hammer, Conny
- Heimann, Sebastian
- Heiniger, Lukas
- Hope, Gaute
- Igel, Heiner
- Inza, Adolfo
- Isken, Marius
- Ketchum, David
- Koymans, Mathijs
- Kremers, Simon
- Kress, Victor
- Krieger, Lars
- Krischer, Lion
- Kula, Damian
- Käufl, Paul
- Köhler, Andreas
- Lecocq, Thomas
- Leeman, John
- Legovini, Paride

- Lesage, Philippe
- Li, Yulin
- Lomax, Anthony
- Lopes, Rui L.
- MacCarthy, Jonathan
- Maggi, Alessia
- Martin, Henri
- Medlin, Andrew
- Megies, Tobias
- Meschede, Matthias
- Michelini, Alberto
- Miller, Nathaniel C.
- Morgenstern, Bernhard
- Nof, Ran Novitsky
- Panning, Mark P.
- Parker, Tom
- Pestourie, Romain
- Rapagnani, Giovanni
- Reyes, Celso
- Ringler, Adam
- Rothenhäusler, Nicolas
- Russo, Emiliano
- Sales de Andrade, Elliott

- Satriano, Claudio
- Saul, Joachim
- Scheingraber, Chris
- Schneider, Simon
- Sippl, Christian
- Snoke, Arthur
- Stange, Stefan
- Stähler, Simon C.
- Sullivan, Benjamin
- Tian, Dongdong
- Trabant, Chad
- Trani, Luca
- Uieda, Leonardo
- Walker, Andrew
- Walther, Marcus
- Wassermann, Joachim
- Williams, Mark C.
- Winkelman, Andrew
- Zaccarelli, Riccardo
- Zad, Seyed Kasra Hosseini
- Zhu, Lijun
- van Driel, Martin
- van Wijk, Kasper

#### Funds

ObsPy was partially funded by the

- German Science Foundation (DFG) via grant DFG IG 16/9-1
- German Ministry for Education and Research (BMBF), GEOTECHNOLOGIEN grant 03G0646H.
- NERA project (Network of European Research Infrastructures for Earthquake Risk Assessment and Mitigation) under the European Community's Seventh Framework Programme (FP7/2007-2013) grant agreement n° 262330
- Leibniz Institute for Applied Geophysics (LIAG)
- VERCE EU-FP7 project (no. 283543)