Changes between Initial Version and Version 1 of hypo_file_format


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Timestamp:
05/29/12 10:43:27 (9 years ago)
Author:
branden
Comment:

--

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  • hypo_file_format

    v1 v1  
     1== Hypoinverse Station File Format == 
     2{{{ 
     3FORMAT OF THE HYPOINVERSE STATION FILE FOR FULL 12-LETTER (S-C-N-L) CHANNEL NAMES 
     4 
     5The channel identifier consists of a 5-letter site code, a 2-letter network 
     6code unique to the owner or operator of the network, a 3-letter component 
     7or channel code, and a 2-letter location code.  The net, component, and 
     8location fields are optional to Hypoinverse, but space for these fields will 
     9be reserved in all input and output files.  The user of Hypoinverse may specify 
     10(with the LET command) how many characters (counted from the left side) in 
     11each field to use when matching names in station and phase files.  Full use 
     12of the fields will require 5, 2, 3, and 2 letters; minimum use will require 
     133, 0, 0 and 0 letters.  Hypoinverse can use both a 1-letter (old USGS style) 
     14and 3-letter (SEED style) component field. Space for both fields will be 
     15reserved in all input and output files. Select whether to use the 1- or 3-letter 
     16field for matching station and phase names with the LES command.  It is 
     17sometimes useful to keep the 1-letter component field for easier recognition by 
     18analysts than the newer, more general 3-letter field. 
     19 
     20Cols.   Format  Data 
     21_____   ______  ____ 
     22 
     231-5     A5,1X   Station site code. The first character may  not  be  a 
     24                number or the $ character. 
     25 
     267-8     A2,1X   Station network code. 
     27 
     2810      A1      Optional 1-letter component code for this channel. 
     2911-13   A3,1X   3-letter component code for this channel. 
     30 
     3115      A1      Station weight code (in units of 0.1) by which the weights 
     32                assigned each P & S phase  are  to be multiplied.  Use the 
     33                digits  0-9  for the weight in tenths; "*" or "0"  for  no 
     34                weight; or any other character  (including blank) for full 
     35                weight. 
     36 
     3716-17   I2, 1X  Latitude, degrees. 
     3819-25   F7.4    Latitude, minutes. 
     3926      A1      N or blank for north latitude, S for south. 
     4027-29   I3, 1X  Longitude, degrees. 
     4131-37   F7.4    Longitude, minutes. 
     4238      A1      W or blank for west longitude, E for east. 
     43 
     4439-42   4X      Reserved for elevation in m. Not used by HYPOINVERSE. 
     45 
     4643-45   F3.1,2X Default  period  (in sec) at which the  maximum  amplitude 
     47                will be read for this station. Must be greater than 0.1. 
     48                If period is given on phase card, it overrides this value. 
     49 
     5048      A1          Put  a "2" or "A" here to designate this as  an  alternate 
     51                    crust model station.  Both  alternate  and primary crustal 
     52                    models  must be in use.  Stations may also be  tagged  for 
     53                    use with an alternate model in the delay file. 
     54 
     5549      A1          Optional station remark field to copy to print output. 
     5650-54   F5.2, 1X    P delay (sec) for delay set 1. 
     5756-60   F5.2, 1X    P delay (sec) for delay set 2. 
     5862-66   F5.2        Amplitude magnitude correction.  If in the range +/-2.4, the 
     59                    correction is included  (by  addition)  in  the  amplitude 
     60                    magnitude. If you don't want a station's magnitude used in 
     61                    the event magnitude, use  a  correction  of  5.0  plus the 
     62                    actual correction.  You can also assign a zero weight (see 
     63                    next). 
     64 
     6567      A1          Amplitude magnitude weight code.  Codes 0-9, "*" and blank 
     66                    are the same as the P & S weight codes (col 15). The actual 
     67                    magnitude weight used is the product of those on the station 
     68                    and phase cards. See also col 62. 
     69 
     7068-72   F5.2        Duration  magnitude  correction  (works  the  same  as the 
     71                    amplitude magnitude correction). 
     72 
     7373      A1          Duration  magnitude  weight code (works the  same  as 
     74                    the amplitude weight code). 
     75 
     7674      I1          Instrument  type code for this station used to select  the 
     77                    appropriate response curve  to  derive  an equivalent Wood 
     78                    Anderson amplitude. Must be either 0, 1 or 2: 
     79                        0: Standard Wood-Anderson torsion seismograph. 
     80                        1: USGS standard (1 HZ geophone, .7 critical damping.) 
     81                        2: Hawaii-type Sprengnether seismometer. 
     82 
     8375-80   F6.2        Calibration factor for amplitude  magnitudes, equal to the 
     84                    peak-to-peak  amplitude of a 10 microvolt RMS signal at  5 
     85                    hz  applied  to  the  VCO   and  measured  in  mm  on  the 
     86                    Develocorder  film  viewer.  For instrument types 0 and  2 
     87                    this  should  generally  be  1.0.   A  cal  factor  of 0.0 
     88                    signifies  an  unknown  response for  which  no  amplitude 
     89                    magnitudes will be computed. If a cal factor is given on a 
     90                    phase  card it overrides this value.  The VCO  attenuation 
     91                    may be given in  place  of  the  cal  factor  (see the ATN 
     92                    command).  An entire history of station attenuations  with 
     93                    the  dates  of  attenuation  changes  may  be  read from a 
     94                    separate file with the ATE command. 
     95 
     9681-82   A2          2-letter location code. 
     97                    Earthworm follows the SEED convention of allowed characters 
     98                    (A-Z, 0-9, space).  In apparent contradiction to the previous 
     99                    statement, Earthworm uses the character '-' to represent 
     100                    'space' in all Earthworm I/O. Just remember to think 'space' 
     101                    when you see '-'. Lower case alphanumerics are not permitted. 
     102                    The location code should always contain 2 characters, either 
     103                    two alpha-numeric characters or two spaces ('--' or '  '). 
     104                    The use of a single space (or '-') adjacent to an alpha-numeric 
     105                    is not permitted. 
     106}}} 
     107Other details of hypoinverse configuration can be found in the complete Hypoinverse documentation maintained by Fred Klein at:  
     108 * ftp://ehzftp.wr.usgs.gov/klein/hyp2000/docs/hyp2000-1.0.pdf 
     109 * ftp://ehzftp.wr.usgs.gov/klein/docs/shadow2000.pdf