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
  ARM   S?Z  IR      D     354.94   2.61 CASC      ARM  
  DVD   S?Z  IR      C       3.78   2.76 CASC      DVD  
  ACR   ???  IR      c     349.91   3.02 NEIC      ACR  
  BRU2  ???  IR      c     358.96   3.11 NEIC      BRU2 
  BUS   ???  IR      c     343.98   4.02 NEIC      BUS  
  BUS   S?Z  IR      C     343.98   4.02 CASC      BUS  
  LCR2  ???  IR      c     341.53   4.27 NEIC      LCR2 
  URSC  ???  IR      c     344.76   4.29 NEIC      URSC 
  URSC  S?Z  IR      C     344.76   4.29 CASC      URSC 
  ICR   ???  IR      c     344.62   4.45 NEIC      ICR  
  ICR   S?Z  IR      C     344.62   4.45 CASC      ICR  
  SJS   ???  IR      d     341.75   4.47 NEIC      SJS  
  UPA   ???  IR      d      42.85   4.51 NEIC      UPA  
  JCR   ???  IR      d     329.59   4.83 NEIC      JCR  
  JCR   S?Z  IR      D     329.59   4.83 CASC      JCR  
  TRTC  ???  IR      d     347.71   4.99 NEIC      TRTC 
  TEIG  ???  IR      c     339.76  15.48 NEIC      TEIG 
  CMIG  ???  IR      c     314.44  16.51 NEIC      CMIG 
  VHO   ???  IR      c     310.56  17.86 NEIC      VHO  
  PPM   ???  IR      c     311.92  20.50 MEX       PPM  
  CAIG  ???  IR      c     304.69  20.64 NEIC      CAIG 
  MOIG  ???  IR      c     309.31  22.80 NEIC      MOIG 
  ZAIG  ???  IR      c     313.43  25.68 NEIC      ZAIG 
  TRSB  ???  IR      D     103.95  41.22 VAO       TRSB 
  DAG   ???  IR      c      12.18  78.70 NEIC      DAG  
  DAG   ???  IR      C      12.18  78.70 DNK       DAG  
  CLL   ???  IR      d      38.66  89.14 NEIC      CLL  
  CLL   ???  IR      -      38.66  89.14 CLL       CLL  
  VNA3  ???  IR      +     161.98  89.91 AWI       VNA3 
  VNA1  ???  IR      +     161.28  90.18 AWI       VNA1 
  SNAA  ???  IR      -     161.84  92.14 AWI       SNAA 
  BILL  B?Z  IR      C     339.44  92.51 MOS       BILL 

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