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
  COLN  S?Z  IR      D     207.87   0.16 GUC       COLN 
  CHCH  S?Z  IR      D     267.35   0.24 GUC       CHCH 
  CACH  S?Z  IR      C     225.12   0.28 GUC       CACH 
  PCH   S?Z  IR      D     337.57   0.33 GUC       PCH  
  SAN   S?Z  IR      D     332.08   0.53 GUC       SAN  
  TACH  S?Z  IR      D     299.24   0.55 GUC       TACH 
  FCH   S?Z  IR      D       6.00   0.60 GUC       FCH  
  PEL   S?Z  IR      D     340.92   0.82 GUC       PEL  
  LNV   S?Z  IR      D     267.52   0.87 GUC       LNV  
  SFDO  S?Z  IR      C     217.72   0.88 GUC       SFDO 
  ROCH  S?Z  IR      C     330.15   1.09 GUC       ROCH 
  LCCH  S?Z  IR      C     293.62   1.10 GUC       LCCH 
  JACH  S?Z  IR      D     351.17   1.25 GUC       JACH 
  IHA   S?Z  IR      C     309.63   1.39 GUC       IHA  
  TALC  S?Z  IR      C     215.04   1.81 GUC       TALC 
  ZON   ???  IR      c      31.41   2.76 NEIC      ZON  
  LSCH  S?Z  IR      D     349.18   4.07 GUC       LSCH 
  VCA   ???  IR      d      20.24   5.49 NEIC      VCA  
  TCA   ???  IR      c      63.67   5.51 NEIC      TCA  
  SNAA  ???  IR      -     157.94  51.13 AWI       SNAA 

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