Low-level interface for sacpz Web service of IRIS (http://www.iris.edu/ws/sacpz/) - release 1.1.1 (2012-1-9).
This method provides access to instrument response information (per-channel) as poles and zeros in the ASCII format used by SAC and other programs. Users can query for channel response by network, station, channel, location and time.
Parameters: |
|
---|---|
Return type: | str or None |
Returns: | String with SAC poles and zeros information if no filename is given. |
Example
>>> from obspy.iris import Client
>>> from obspy import UTCDateTime
>>> client = Client()
>>> dt = UTCDateTime("2005-01-01")
>>> sacpz = client.sacpz("IU", "ANMO", "00", "BHZ", dt)
>>> print(sacpz)
* **********************************
* NETWORK (KNETWK): IU
* STATION (KSTNM): ANMO
* LOCATION (KHOLE): 00
* CHANNEL (KCMPNM): BHZ
* CREATED : ...
* START : 2002-11-19T21:07:00
* END : 2008-06-30T00:00:00
* DESCRIPTION : Albuquerque, New Mexico, USA
* LATITUDE : 34.945981
* LONGITUDE : -106.457133
* ELEVATION : 1671.0
* DEPTH : 145.0
* DIP : 0.0
* AZIMUTH : 0.0
* SAMPLE RATE : 20.0
* INPUT UNIT : M
* OUTPUT UNIT : COUNTS
* INSTTYPE : Geotech KS-54000 Borehole Seismometer
* INSTGAIN : 2.204000e+03 (M/S)
* COMMENT :
* SENSITIVITY : 9.244000e+08 (M/S)
* A0 : 8.608300e+04
* **********************************
ZEROS 3
+0.000000e+00 +0.000000e+00
+0.000000e+00 +0.000000e+00
+0.000000e+00 +0.000000e+00
POLES 5
-5.943130e+01 +0.000000e+00
-2.271210e+01 +2.710650e+01
-2.271210e+01 -2.710650e+01
-4.800400e-03 +0.000000e+00
-7.319900e-02 +0.000000e+00
CONSTANT 7.957513e+13