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
  LCO   ??Z  IR      C     265.10   1.61 GUC       LCO  
  LCO   ???  IR      c     265.10   1.61 NEIC      LCO  
  VACH  S?Z  IR      C     280.08   1.69 GUC       VACH 
  VACH  ???  IR      c     280.08   1.69 NEIC      VACH 
  TLL   B?Z  IR      C     232.40   2.12 GUC       TLL  
  TLL   ???  IR      c     232.40   2.12 NEIC      TLL  
  CDCH  S?Z  IR      C     315.90   2.50 GUC       CDCH 
  CDCH  ???  IR      c     315.90   2.50 NEIC      CDCH 
  CHNG  S?Z  IR      C     216.62   3.75 GUC       CHNG 
  MDZ   ???  IR      c     179.77   3.98 NEIC      MDZ  
  JACH  S?Z  IR      D     200.97   4.07 GUC       JACH 
  PEL   B?Z  IR      D     199.71   4.52 GUC       PEL  
  FCH   B?Z  IR      C     195.04   4.59 GUC       FCH  
  ANCH  S?Z  IR      D     344.72   5.37 GUC       ANCH 
  VAO   ???  IR      D      78.47  20.54 VAO       VAO  
  CAM4  ???  IR      D      80.70  24.56 VAO       CAM4 
  CAM3  ???  IR      C      78.88  26.93 VAO       CAM3 
  MVM   ???  IR      d      11.18  43.87 TRN       MVM  
  FDF   ???  IR      c      10.78  44.00 TRN       FDF  
  VNA3  ???  IR      -     159.68  53.13 AWI       VNA3 
  VNA1  ???  IR      -     158.79  53.38 AWI       VNA1 
  SNAA  ???  IR      -     159.42  55.35 AWI       SNAA 
  NVL   B?Z  IR      D     157.81  59.98 MOS       NVL  
  QSPA  ???  IR      d     180.05  61.34 NEIC      QSPA 
  LIC   ???  IR      D      71.12  70.57 LDG       LIC  
  LIC   ???  IR      d      71.12  70.57 NEIC      LIC  
  TBI   ???  IR      D     253.22  71.27 PPT       TBI  
  VAH   ???  IR      D     261.67  73.11 PPT       VAH  
  TVO   ???  IR      D     258.58  73.41 PPT       TVO  
  TVO   S?Z  IR      D     258.58  73.41 MOS       TVO  
  PMOR  ???  IR      D     261.77  73.44 PPT       PMOR 
  PAE   ???  IR      D     258.56  73.75 PPT       PAE  
  PAE   S?Z  IR      D     258.56  73.75 MOS       PAE  
  PPT   ???  IR      D     258.64  73.78 PPT       PPT  
  MAW   ???  IR      D     162.96  77.28 AUST      MAW  
  MAW   S?Z  IR      D     162.96  77.28 MOS       MAW  
  MAW   ???  IR      d     162.96  77.28 NEIC      MAW  
  MIR   S?Z  IR      D     172.81  83.86 MOS       MIR  
  CASY  ???  IR      D     179.76  85.14 AUST      CASY 
  CASY  ???  IR      d     179.76  85.14 NEIC      CASY 
  EVO   ???  IR      D      43.27  87.89 LDG       EVO  
  ESPR  ???  IR      d      45.64  88.16 NEIC      ESPR 
  ELUQ  S?Z  IR      D      45.88  89.59 MOS       ELUQ 
  ELUQ  ???  IR      d      45.88  89.59 NEIC      ELUQ 
  ETOB  ???  IR      c      46.30  91.95 NEIC      ETOB 
  ELAN  ???  IR      d      41.76  93.53 NEIC      ELAN 
  ERTA  ???  IR      d      45.25  94.47 NEIC      ERTA 

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