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
  RAHZ  ???  IR      c     123.67   0.44 WEL       RAHZ 
  NMHZ  ???  IR      c     161.07   0.45 WEL       NMHZ 
  BKZ   HHZ  NZ  10  +   a 191.49   0.50 ISC       BKZ  
  MCHZ  ???  IR      c     175.62   0.77 WEL       MCHZ 
  WPVZ  HHZ  NZ  10  -   a 237.44   0.99 ISC       WPVZ 
  CKHZ  ???  IR      c     160.25   1.04 WEL       CKHZ 
  KAHZ  ???  IR      c     170.00   1.14 WEL       KAHZ 
  PNHZ  ???  IR      c     194.66   1.28 WEL       PNHZ 
  HIZ   HHZ  NZ  10  +   a 276.12   1.39 ISC       HIZ  
  PRHZ  ???  IR      c     179.60   1.59 WEL       PRHZ 
  WAZ   ???  IR      d     229.16   1.67 WEL       WAZ  
  RAEZ  ???  IR      d     249.92   1.84 WEL       RAEZ 
  BFZ   HHZ  NZ  10  +   a 188.09   2.02 ISC       BFZ  
  MRZ   ???  IR      c     201.75   2.14 WEL       MRZ  
  OTAZ  ???  IR      d     321.54   2.18 WEL       OTAZ 
  OGWZ  ???  IR      d     207.14   2.41 WEL       OGWZ 
  SNZO  HHZ  IU  10  -   a 208.62   3.01 ISC       SNZO 
  SNZO  BHZ  IU  00  -   a 208.62   3.01 ISC       SNZO 
  OUZ   HHZ  NZ  10  +   a 323.99   4.21 ISC       OUZ  

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