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
  SZP   ???  IR      -     358.11   4.11 ISC       SZP  
  PLP   ???  IR      -     117.10   4.83 ISC       PLP  
  IPM   ???  IR      +     247.10  21.26 ISC       IPM  
  SHL   ???  IR      -     298.44  29.57 ISC       SHL  
  WRA   ???  IR      -     157.54  35.80 ISC       WRA  
  WB2   ???  IR      -     157.53  35.80 ISC       WB2  
  ZAK   ???  IR      +     342.56  39.48 ISC       ZAK  
  GBA   ???  IR      -     275.49  41.93 ISC       GBA  
  MAIO  ???  IR      -     304.37  58.97 ISC       MAIO 
  ASH   ???  IR      -     306.15  60.04 ISC       ASH  
  SVE   ???  IR      -     327.58  62.59 ISC       SVE  
  UZH   ???  IR      +     318.81  85.45 ISC       UZH  

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