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
  OVCH  S?Z  IR      C      93.48   0.16 GUC       OVCH 
  TLL   B?Z  IR      D      49.56   0.66 GUC       TLL  
  ROCH  S?Z  IR      D     172.43   2.39 GUC       ROCH 
  RTLL  ???  IR      d     106.99   2.60 SJA       RTLL 
  RTCV  ???  IR      d     118.06   2.74 SJA       RTCV 
  CFA   ???  IR      d     111.19   2.88 SJA       CFA  
  MDZ   ???  IR      c     137.18   3.14 NEIC      MDZ  
  CHCH  S?Z  IR      D     169.62   3.38 GUC       CHCH 
  FSA   ???  IR      d      48.13   6.53 SJA       FSA  
  VAO   ???  IR      C      76.72  23.04 VAO       VAO  
  VAO3  ???  IR      C      76.26  23.66 VAO       VAO3 
  CAM4  ???  IR      C      79.25  27.02 VAO       CAM4 
  FDF   ???  IR      D      13.79  46.13 TRN       FDF  
  SJG   S?Z  IR      C       6.63  48.69 MOS       SJG  
  VNA3  ???  IR      +     158.90  52.31 AWI       VNA3 
  VNA1  ???  IR      +     158.02  52.59 AWI       VNA1 
  VNA2  ???  IR      +     158.27  52.94 AWI       VNA2 
  SNAA  ???  IR      +     158.80  54.53 AWI       SNAA 
  MAIT  ???  IR      c     157.49  59.20 HYB       MAIT 
  SPA   ???  IR      c     180.00  59.58 NEIC      SPA  
  NHSC  ???  IR      c     351.79  63.91 NEIC      NHSC 
  JCT   S?Z  IR      C     333.38  66.48 MOS       JCT  
  PLAL  ???  IR      c     345.17  67.10 NEIC      PLAL 
  WVT   ???  IR      c     345.70  68.15 NEIC      WVT  
  SIUC  ???  IR      c     345.02  69.98 NEIC      SIUC 
  MVL   ???  IR      c     355.95  70.39 NEIC      MVL  
  SLM   ???  IR      c     344.49  71.09 NEIC      SLM  
  ACSO  ???  IR      c     350.65  71.29 NEIC      ACSO 
  LSCT  ???  IR      c     358.55  71.94 NEIC      LSCT 
  DBIC  ???  IR      c      71.78  73.58 NEIC      DBIC 
  LOZ   ???  IR      c     357.63  74.91 NEIC      LOZ  
  EMMW  ???  IR      c       2.90  75.03 NEIC      EMMW 
  JFWS  ???  IR      c     345.78  75.18 NEIC      JFWS 
  WUAZ  ???  IR      c     327.26  75.76 NEIC      WUAZ 
  BAR   ???  IR      c     321.88  76.15 NEIC      BAR  
  PV01  ???  IR      c     330.68  76.69 NEIC      PV01 
  ISCO  S?Z  IR      C     333.58  76.92 MOS       ISCO 
  NLU   ???  IR      c     329.38  79.71 NEIC      NLU  
  DUG   ???  IR      c     329.05  80.23 NEIC      DUG  
  HWUT  ???  IR      c     330.65  80.85 NEIC      HWUT 
  SPUT  ???  IR      c     329.93  80.98 NEIC      SPUT 
  HVU   ???  IR      c     330.00  81.51 NEIC      HVU  
  ELK   ???  IR      c     327.87  81.77 NEIC      ELK  
  CSY   ???  IR      D     180.78  83.41 AUST      CSY  
  FCC   ???  IR      c     348.39  91.02 NEIC      FCC  

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