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      C     121.31   0.06 GUC       COLN 
  CACH  S?Z  IR      D     219.53   0.11 GUC       CACH 
  CHCH  S?Z  IR      C     312.44   0.15 GUC       CHCH 
  PCH   S?Z  IR      C       0.58   0.41 GUC       PCH  
  TACH  S?Z  IR      C     317.44   0.52 GUC       TACH 
  SAN   S?Z  IR      C     348.38   0.59 GUC       SAN  
  SFDO  S?Z  IR      D     215.20   0.71 GUC       SFDO 
  FCH   S?Z  IR      C      15.16   0.73 GUC       FCH  
  LNV   S?Z  IR      D     275.85   0.74 GUC       LNV  
  PEL   S?Z  IR      C     351.08   0.90 GUC       PEL  
  RFA   ???  IR      c     113.95   1.85 NEIC      RFA  
  CCHI  B?Z  IR      C     206.00   2.86 GUC       CCHI 
  CFA   ???  IR      c      39.02   3.09 NEIC      CFA  
  RTLL  ???  IR      c      33.13   3.20 NEIC      RTLL 
  LSCH  S?Z  IR      D     351.28   4.16 GUC       LSCH 
  TCA   ???  IR      c      63.31   5.67 NEIC      TCA  
  CPCH  S?Z  IR      D       1.27   6.66 GUC       CPCH 
  CYA   ???  IR      c      37.17   6.88 NEIC      CYA  
  FSA   ???  IR      c      27.65   8.82 NEIC      FSA  
  BAO   ???  IR      d      53.48  27.34 BDF       BAO  

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