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
  MRZ   ???  IR      c      57.69   0.77 WEL       MRZ  
  TRWZ  ???  IR      c     114.29   0.80 WEL       TRWZ 
  TMWZ  ???  IR      c      92.45   0.88 WEL       TMWZ 
  TIWZ  ???  IR      c      71.64   0.93 WEL       TIWZ 
  POWZ  ???  IR      c      49.62   1.05 WEL       POWZ 
  PRWZ  ???  IR      c      61.63   1.08 WEL       PRWZ 
  BFZ   HHZ  NZ  10  +   a  71.61   1.22 ISC       BFZ  
  WAZ   ???  IR      c       8.67   1.33 WEL       WAZ  
  DVHZ  ???  IR      c      55.21   1.34 WEL       DVHZ 
  TSZ   ???  IR      c      43.25   1.39 WEL       TSZ  
  THZ   ???  IR      d     242.74   1.53 WEL       THZ  
  PNHZ  ???  IR      c      44.59   1.62 WEL       PNHZ 
  QRZ   HHZ  NZ  10  +   a 277.80   1.68 ISC       QRZ  
  KHEZ  ???  IR      d     342.75   1.86 WEL       KHEZ 
  WNVZ  ???  IR      d      21.24   1.87 WEL       WNVZ 
  DREZ  ???  IR      d     347.79   1.93 WEL       DREZ 
  LTZ   ???  IR      d     226.22   2.50 WEL       LTZ  
  HIZ   HHZ  NZ  10  -   a   2.30   2.56 ISC       HIZ  
  OXZ   ???  IR      d     220.69   3.01 WEL       OXZ  
  MQZ   ???  IR      d     209.57   3.04 WEL       MQZ  
  WVZ   ???  IR      c     234.74   3.58 WEL       WVZ  
  ODZ   HHZ  NZ  10  +   a 215.63   4.97 ISC       ODZ  

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