Black dots -> compressions (C,c,+,U,u)
White dots -> dilatations (D,d,-)
Green dot  -> T-axis
Red dot    -> P-axis
  sta  chan net loc pol a/m   azi   dist author    irsta
  EMSC  ???  IR      c      21.09   0.60 NEIC      EMSC 
  DREC  ???  IR      c     344.69   0.65 NEIC      DREC 
  ERPC  ???  IR      d     328.00   0.67 NEIC      ERPC 
  COA   H?Z  IR      C       8.34   0.69 ECX       COA  
  COA   H?Z  IR      C       8.34   0.69 ECX       COA  
  COA   ???  IR      c       8.34   0.69 NEIC      COA  
  YMD   H?Z  IR      C      57.17   0.70 ECX       YMD  
  YMD   H?Z  IR      C      57.17   0.70 ECX       YMD  
  YMD   ???  IR      c      57.17   0.70 NEIC      YMD  
  WESC  ???  IR      d     324.74   0.71 NEIC      WESC 
  YUH   H?Z  IR      D     309.47   0.74 ECX       YUH  
  YUH   H?Z  IR      D     309.47   0.74 ECX       YUH  
  YUH   ???  IR      d     309.47   0.74 NEIC      YUH  
  SWSC  BHZ  IR      d     328.63   0.90 IRIS      SWSC 
  CRR   H?Z  IR      D     319.32   0.94 ECX       CRR  
  GLA   BHZ  IR      c      21.76   0.94 IRIS      GLA  
  MONP2 BHZ  IR      c     305.95   1.23 IRIS      MONP2
  113A  BHZ  IR      d      64.25   1.38 IRIS      113A 
  BC3   BHZ  IR      c     353.19   1.49 IRIS      BC3  
  Y12C  BHZ  IR      d      20.85   1.68 IRIS      Y12C 
  109C  BHZ  IR      d     294.83   1.73 IRIS      109C 
  PFO   BHZ  IR      c     324.77   1.76 IRIS      PFO  
  IRM   BHZ  IR      d       2.34   1.98 IRIS      IRM  
  214A  BHZ  IR      d      95.41   2.08 IRIS      214A 
  MURC  BHZ  IR      d     311.37   2.17 IRIS      MURC 
  Z14A  BHZ  IR      d      57.92   2.27 IRIS      Z14A 
  PDMCI BHZ  IR      c      23.20   2.31 IRIS      PDMCI
  Y14A  BHZ  IR      d      46.31   2.57 IRIS      Y14A 
  X16A  BHZ  IR      d      53.89   3.89 IRIS      X16A 
  W18A  BHZ  TA  --  -   a  55.93   5.45 ISC       W18A 
  SBY   EHZ  SC  --  -   a  72.98   7.00 ISC       SBM  
  SMC   EHZ  SC  --  +   a  74.77   7.09 ISC       SMNM 
  WTX   EHZ  SC  --  +   a  72.57   7.21 ISC       WTX  
  CAR   EHZ  SC  --  +   a  73.78   7.36 ISC       CRNM 
  BAR   EHZ  SC  --  +   a  72.44   7.49 ISC       BNM  
  LPM   EHZ  SC  --  +   a  71.23   7.52 ISC       LPM  

sta    - Station code (FDSN)
chan   - channel code
net    - Network code (FDSN)
loc    - Location code (FDSN)
pol    - Polarity
a/m    - Automatic or manual pick
azi    - Event to station azimuth (in degrees)
dist   - Event to station distance (in degrees)
author - Author of the polarity
irsta  - International registry station code