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
  FRI   ???  IR      +     235.31   0.86 ISC       FRI  
  JAS   ???  IR      -     290.15   1.36 ISC       JAS  
  ISA   ???  IR      -     171.18   1.84 ISC       ISA  
  LLA   ???  IR      +     243.53   1.91 ISC       LLA  
  PRI   ???  IR      +     228.32   2.00 ISC       PRI  
  SAO   ???  IR      +     251.81   2.22 ISC       SAO  
  MHC   ???  IR      +     267.15   2.25 ISC       MHC  
  PRS   ???  IR      +     241.32   2.35 ISC       PRS  
  GCC   ???  IR      +     260.75   2.58 ISC       GCC  
  BRK   ???  IR      +     279.08   2.76 ISC       BRK  
  PCC   ???  IR      +     271.33   2.83 ISC       PCC  
  BDW   ???  IR      +      50.42   8.84 ISC       BDW  
  LDM   ???  IR      +      12.03  11.26 ISC       LDM  
  YKM   ???  IR      +      10.27  11.59 ISC       YKM  
  RLO   ???  IR      +      86.73  19.09 ISC       RLO  
  TKL   ???  IR      +      82.98  28.11 ISC       TKL  
  ILT   ???  IR      +     332.17  44.61 ISC       ILT  
  MGD   ???  IR      -     323.99  58.60 ISC       MGD  
  UCC   ???  IR      d      32.77  78.92 ISC       UCC  
  DOU   ???  IR      -      33.14  79.55 ISC       DOU  
  TOL   ???  IR      -      44.81  82.50 ISC       TOL  
  MOY   ???  IR      -     336.39  84.63 ISC       MOY  
  SOP   ???  IR      -      28.40  86.32 ISC       SOP  
  JOS   ???  IR      -      25.71  87.08 ISC       JOS  

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