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
  HOPE  BHZ  II  00  +   a 313.42   9.07 ISC       HOPE 
  EFI   B?Z  IR      C     282.75  20.25 MOS       EFI  
  EFI   BHZ  II  10  -   a 282.75  20.25 ISC       EFI  
  MAW   BHZ  AU  --  +   a 138.85  35.59 ISC       MAW  
  SUR   BHZ  II  10  +   a  67.37  41.29 ISC       SUR  
  SUR   BHZ  II  00  +   a  67.37  41.29 ISC       SUR  
  LVC   HHZ  IU  10  -   a 301.94  48.77 ISC       LVC  
  LVC   BHZ  IU  00  +   a 301.94  48.77 ISC       LVC  
  LVC   BHZ  IU  10  -   a 301.94  48.77 ISC       LVC  
  CASY  BHZ  IU  10  +   a 157.99  48.85 ISC       CASY 
  TSUM  BHZ  IU  10  -   a  55.18  51.47 ISC       TSUM 
  ITZ   B?Z  IR      D      62.23  58.07 LSZ       ITZ  
  MBAR  B?Z  IR      D      59.72  73.66 MOS       MBAR 
  SDV   BHZ  IU  10  +   a 314.05  78.26 ISC       SDV  
  STKA  BHZ  AU  --  +   a 168.80  86.78 ISC       STKA 

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