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
  KDAK  S?Z  IR      C      55.96  14.50 MOS       KDAK 
  PET   S?Z  IR      C     285.25  15.92 MOS       PET  
  COLA  B?Z  IR      D      36.40  19.42 MOS       COLA 
  SEY   S?Z  IR      C     315.88  20.53 MOS       SEY  
  YSS   S?Z  IR      C     276.89  27.43 MOS       YSS  
  KLR   B?Z  IR      D     287.16  33.17 MOS       KLR  
  PFO   S?Z  IR      C      89.48  45.62 MOS       PFO  
  ULM   S?Z  IR      D      58.53  47.74 MOS       ULM  
  MK31  S?Z  IR      D     310.23  61.53 MOS       MK31 
  BRVK  S?Z  IR      D     321.51  62.07 MOS       BRVK 
  ARU   S?Z  IR      C     329.88  63.49 MOS       ARU  
  AAK   S?Z  IR      C     311.80  68.32 MOS       AAK  
  WRAB  S?Z  IR      C     226.72  83.70 MOS       WRAB 
  BRTR  B?Z  IR      C     337.97  85.56 MOS       BRTR 
  STKA  S?Z  IR      D     215.50  91.34 MOS       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