Thread: Transfer Command

Started: 2014-09-02 20:56:25
Last activity: 2014-09-02 20:56:25
Topics: SAC Help
Hamidatul Husna Matondang
2014-09-02 20:56:25
Dear All

If I don't have pole zero file or response file, can I use transfer command?

Thank You
Ami

  • Sheila Peacock
    2014-09-02 15:04:14
    On 09/02/2014 06:56 AM, amik Amik wrote:
    Dear All

    If I don't have pole zero file or response file, can I use transfer command?

    Thank You
    Ami


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    Dear Ami,


    If you just want to try out the "transfer" command to see
    if it works, you can use one of the built-in instruments
    (see "help transfer", a long way down the help file,
    for a list).

    e.g "funcgen impulse <parameters>" followed by "transfer to <instrument name>"

    If you really need to remove the response of your instrument
    from the seismogram, then you must get a pole-zero file or
    a response file for your seismometer/digitiser.

    If your data are in SEED format from IRIS then if you run
    "rdseed" in interactive mode and answer "yes" to the queries
    "extract poles and zeros" and/or "extract response file"
    then you should get poles and zeros and/or a RESP file
    for your data.

    If your data are from your own seismometer and
    you know the make and serial number of your seismometer/digitiser,
    you may be able to obtain the response from the manufacturer.
    In particular, if it is a Guralp, if you send an email with
    the serial number in the "Subject:" line to the address
    caldoc<at>guralp.com you will receive a calibration sheet for it.
    You will need to do the same for the digitiser, because the
    response is a combination of the two. Again for Guralp
    digitisers if you email the serial number to caldoc<at>guralp.com
    you will be sent a calibration sheet. Some Guralp
    seismometers have the digitiser built in, but the label should
    show two serial numbers, one for the seismometer, one for the
    built-in digitiser.

    Regards,
    Sheila Peacock,
    Blacknest.

  • Milton Plasencia
    2014-09-02 15:51:58
    Yes.

    **********************************
    Milton P. PLASENCIA LINARES

    Dipartimento Centro di Ricerche Sismologiche
    Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS

    Borgo Grotta Gigante 42/C
    (34010) Sgonico - TRIESTE - ITALIA
    Tel: +39-040-2140 256/141
    Fax: +39-040-327307

    E-mail: mplasencia<at>inogs.it

    ASAIN (Antarctic Seismographic Argentinean Italian Network)
    *********************************


    Quoting "amik Amik" <amik.mamat<at>yahoo.co.id>:

    Dear All

    If I don't have pole zero file or response file, can I use transfer command?

    Thank You
    Ami




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