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
  TOO   BHZ  AU  --  -   a 321.35   0.91 ISC       TOO  
  CAN   BHZ   G  00  +   a  38.00   3.71 ISC       CAN  
  AUMTS HHZ   S  --  -   a  38.00   3.71 ISC       CAN  
  ARPS  SHZ  AU  --  -   a 292.18   3.78 ISC       ARPS 
  CNB   BHZ  AU  --  +   a  41.53   3.90 ISC       CNB  
  MOO   BHZ  AU  --  -   a 170.03   4.22 ISC       MOO  
  CMSA  BHZ  AU  --  -   a 356.28   6.74 ISC       CMSA 
  STKA  BHZ  AU  --  -   a 328.06   7.42 ISC       STKA 
  WHN   ???  IR      d     331.83  74.65 BJI       WHN  
  EFI   S?Z  IR      C     165.16  87.94 MOS       EFI  
  PET   S?Z  IR      C       7.49  91.58 MOS       PET  
  ULN   B?Z  IR      C     334.81  92.59 MOS       ULN  

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