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
  VNA1  ???  IR      +     156.06  11.11 AWI       VNA1 
  VNA1  ???  IR      +     156.06  11.11 AWI       VNA1 
  VNA3  ???  IR      +     159.74  11.34 AWI       VNA3 
  VNA3  ???  IR      +     159.74  11.34 AWI       VNA3 
  VNA2  ???  IR      +     155.73  11.50 AWI       VNA2 
  VNA2  ???  IR      +     155.73  11.50 AWI       VNA2 
  SNAA  ???  IR      c     152.84  13.03 NEIC      SNAA 
  PMSA  ???  IR      d     240.52  19.32 NEIC      PMSA 
  TRIS  ???  IR      d      18.42  24.72 NEIC      TRIS 
  SYO   ???  IR      d     133.82  26.01 NEIC      SYO  
  TRQA  ???  IR      c     294.13  33.90 NEIC      TRQA 
  MAW   S?Z  IR      C     137.66  34.51 MOS       MAW  
  PLCA  ???  IR      c     281.99  35.72 NEIC      PLCA 
  CCHI  B?Z  IR      C     284.53  39.73 GUC       CCHI 
  NICH  B?Z  IR      C     286.83  40.63 GUC       NICH 
  CHCH  S?Z  IR      D     288.34  41.25 GUC       CHCH 
  PCH   S?Z  IR      D     288.75  41.45 GUC       PCH  
  ANTU  ??Z  IR      C     288.67  41.54 GUC       ANTU 
  LNV   S?Z  IR      C     287.53  41.58 GUC       LNV  
  FCH   B?Z  IR      C     289.23  41.59 GUC       FCH  
  CLCH  B?Z  IR      C     288.91  41.64 GUC       CLCH 
  VNDA  ???  IR      c     181.20  41.69 NEIC      VNDA 
  PEL   B?Z  IR      D     288.96  41.92 GUC       PEL  
  CPUP  ???  IR      c     309.08  42.18 NEIC      CPUP 
  CMCH  S?Z  IR      D     290.20  43.72 GUC       CMCH 
  MIR   M?E  IR      C     148.52  44.06 MOS       MIR  
  BOSA  ???  IR      d      65.68  44.95 NEIC      BOSA 
  CASY  ???  IR      C     156.38  48.24 AUST      CASY 
  OTAV  ???  IR      c     300.02  74.68 NEIC      OTAV 
  SDV   ???  IR      c     310.86  79.47 NEIC      SDV  
  ADE   ???  IR      c     164.00  83.03 NEIC      ADE  
  JTS   B?Z  IR      C     298.42  86.47 MOS       JTS  
  DHBB  S?Z  IR      D      62.42  91.62 DHMR      DHBB 
  WRAB  S?Z  IR      D     157.48  97.07 MOS       WRAB 

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