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
  ERM   B?Z  IR      C      15.47   2.18 MOS       ERM  
  ASAJ  BHZ  JP  --  +   a   2.13   4.21 ISC       ASAJ 
  MAJO  B?Z  IR      C     225.61   4.70 MOS       MAJO 
  SEY   B?Z  IR      C      11.35  23.82 MOS       SEY  
  ULN   B?Z  IR      C     299.20  26.49 MOS       ULN  
  KDAK  B?Z  IR      C      43.88  44.48 MOS       KDAK 
  BRVK  B?Z  IR      C     310.74  49.29 MOS       BRVK 
  ZRN   BHZ  KZ  --  +   a 310.87  50.06 ISC       ZRNK 
  ZRNK  BHZ  KZ  --  +   a 310.87  50.06 ISC       ZRNK 
  ARU   B?Z  IR      D     317.43  54.73 MOS       ARU  
  WR0   BHZ  AU  --  -   a 188.51  60.01 ISC       WR0  
  KIV   S?Z  IR      D     310.58  69.60 MOS       KIV  

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