+-----------------------------------+ | HT Format Description (tbl files) | +-----------------------------------+ 1.- Station Information: ------------------------ SCODE char Station Information st_code char Station code st_net char Network code st_lat double Latitude st_lon double Longitude st_elev double Elevation st_name char Station name STINST char Station Instrumentation st_nsen int Number of sensors st_npre int Number of preamplifiers st_ndig int Number of digitizers st_ndlg int Number of dataloggers st_sdat char Start date st_edat char End date SENSN char Sensor Information se_sn char Sensor serial number se_no int Sensor number se_lat double Sensor latitude [Not mandatory] se_lon double Sensor longitude [Not mandatory] se_elev double Sensor elevation [Not mandatory] se_dep double Sensor depth se_nch int Sensor number of components SENCA char Sensor Orientation & Channel Assignments se_chn int Sensor component number se_pdn int Preamplifier/digitizer number se_dtyp char Digitizer type se_az double Sensor azimuth se_dip double Sensor dip se_pdch int Preamplifier/digitizer connector channel se_pdtyp char Specifies preamplifier/digitizer [F/D - Not mandatory] PAMPSN char Preamplifier Information pa_sn char Preamplifier serial number pa_nch int Preamplifier number of channels PAMPCA char Preamplifier Channel Assignments pa_no int Preamplifier number pa_dno int Digitizer number pa_chn int Preamplifier connector channel pa_dch int Digitizer connector channel DIGISN char Digitizer Information di_sn char Digitizer serial number di_ndc int Number of primary channels di_nac int Number of auxiliary channels DIGICA char Digitizer Channel Assignments di_din int Digitizer number [Digitizer number at a site [1..N]] di_dln int Datalogger number [Datalogger number at a site [1..N]] di_dtyp char Digitizer type [DSP | AUX] di_conn int Digitizer connector channel di_dlch int Datalogger channel ["fixed=" number 4120:[1..8], Q680[1..12]] di_pol char Digitizer polarity di_dich int Digitizer channel [Channel on digitizer board 4120:[1..4], Q680[1..3] - Not mandatory]] DLOGSN char Datalogger Information dl_sn char Datalogger serial number dl_nch int Datalogger number of channels DLOGCA char Datalogger Channel Assignments dl_no int Datalogger number [Datalogger number at a site [1..N]] dl_ch int Datalogger channel ["fixed=" number 4120:[1..8], Q680[1..12]] dl_dtyp char Digitizer type [DSP | AUX] dl_dnum int Digitizer number dl_dch int Digitizer connector channel dl_iac char SEED instrument and orientation code dl_nfc int Number of filter channels DLOGFC char Filter Information fi_dln int Datalogger number fi_schn char SEED convention channel name fi_sps double Sampling rate fi_mrgf double Master rgain frequency fi_ctol double Clock tolerance fi_dtyp char Data type [TG | CG] fi_seq char Filter sequence name fi_dfmt char Data format [SEED | ...] fi_ctyp char Compression type [STEIM1 | ...] fi_blks int Block size [512 | 4096 | ...] From: To: ======================================================================== SENCN/SENCA (se_no,se_chn) (se_pdn,se_pdch) = (sensor #, component) (digitizer #, connector channel) DIGICA: (di_din,di_conn) (di_dln, di_dlch) = (digitizer #, connector channel) (datalogger #, datalogger channel (fixed)) DLOGCA & DLOGFC (dl_no, dl_ch) (filter, seed channel) (may be many of these w/diff filters) 2.- Sensor Information: ----------------------- SENSOR char Sensor Information set_sid char Sensor identification set_sn char Sensor serial number set_sdat char Sensor start date set_edat char Sensor end date set_ncmp int Sensor number of components SC char Sensor Component Information set_chan char Sensor channel set_styp char Sensor type set_units char Sensor units set_sens double Sensor sensitivity set_freq double Frequency set_nlin int Number of lines following of type HP, LP, CP, CZ, or PN which describe the instrument response 3.- Preamplifier Information: ----------------------------- PREAMP char Preamplifier Information pat_paid char Preamplifier identifications pat_sn char Preamplifier serial number pat_sdat char Preamplifier start date pat_edat char Preamplifier end date pat_nchn int Number of preamplifier channels PA keyword char Preamplifier Information pat_chan int Preamplifier channel pat_gain double Preamplifier gain pat_freq double Preamlifierp calibration frequency pat_nlin int Number of lines following of type HP, LP, CP, CZ, or PN which describe the preamplifier response 4.- Datalogger Information: --------------------------- DATLOG char Datalogger Information dlt_type char Datalogger type dlt_sn char Datalogger serial number dlt_firm char Datalogger firmware number dlt_sdat char Datalogger start date dlt_edat char Datalogger end date dlt_ndm int Number of digitizing boards DM char Digitizer Board dlt_slot int Digitizer board number dlt_dmsn char Digitizer serial number dlt_nch int Number of digitizer channels (Lines of type DMCS) DMCS char Digitizer module dlt_chan int Digitizer module number (channel) dlt_sens double Digitizer channel sensitivity 5.- Filter Information: ----------------------- FIRFS char Filter Sequence Information fit_seqn char Filter sequence name fit_nstg int Filter number of stages DFILTER char Filter Information fit_gain double Filter gain fit_freq double Frequency for filter gain (- => period in seconds) fit_rgai double Filter gain fit_rfrq double Frequency for filter gain (- => period in seconds) fit_nlin int Number of lines of type INPUT, DELAY, & FIR, HP, LP, CP, CZ & PN which follow INPUT char Input/Output Information fit_irat double Stage input sampling rate fit_orat double Stage output sampling rate fit_ssdd int Sample selected during decimation DELAY char Delay Information fit_dof double Filter delay in seconds fit_datt double Delay applied to time-tag in seconds FIR char FIR Filter Information fit_fnam char Filter name fit_sym char Filter symmetry [EVEN | NONE] fit_gof double Filter gain fit_for double Set to "0.0" to calculate filter gain at specified frequency GAIN char Gain Information fit_oagn double Overall gain of channel fit_oagf double Frequency at which overall gain is calculated If fit_oagn == 0, compute overall gain fit_rgn double Gain at the response frequency If fit_rgn == 0, compute it fit_rgf double Frequency at which fit_rgn is calculated 6.- Response Information: ------------------------- HP char High-Pass Filter Information set_ftyp char Filter type [BW = Butterworth | DG = damping given | ND = no damping] set_npol int Number of poles in filter set_corn double corner frequency of filter (- for period) set_damp double Fraction of critical damping (if applicable) LP char Low-Pass Filter Information set_ftyp char Filter type [BW = Butterworth | DG = damping given | ND = no damping] set_npol int Number of poles in filter set_corn double Corner frequency of filter (- for period) set_damp double Fraction of critical damping (if applicable) CP char Complex Pole Information set_real double Real part of complex pole set_imag double Imaginary part of complex pole CZ char Complex Zero Information set_real double Real part of complex zero set_imag double Imaginary part of complex zero PN char Polynomial Information set_pnam char Polynomial name 7.- Polynomial Information: --------------------------- POLY char Polynomial Information set_pnam char Polynomial name set_pnat char Type of polynomial approximation [C = Chebychev | L = Legendre | M = MacLaurin] set_pnlb double Polynomial lower bound for which approximation is valid set_pnub double Polynomial upper bound for which approximation is valid set_pnme double Maximum error of polynomial approximation set_npnc int Number of polynomial coefficients which follow set_pncf double Polynomial coefficients (up to 14)