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
  ROCH  ???  IR      d     175.03   2.36 NEIC      ROCH 
  ZON   ???  IR      d     113.54   2.40 NEIC      ZON  
  RTLL  ???  IR      d     107.42   2.49 NEIC      RTLL 
  RTCV  ???  IR      d     118.93   2.64 NEIC      RTCV 
  CFA   ???  IR      d     111.74   2.77 NEIC      CFA  
  LCCH  ???  IR      d     185.27   2.87 NEIC      LCCH 
  SAN   ???  IR      c     170.08   2.88 NEIC      SAN  
  VCA   ???  IR      d      55.63   3.24 NEIC      VCA  
  LNV   ???  IR      c     182.23   3.34 NEIC      LNV  
  CHCH  ???  IR      d     171.41   3.35 NEIC      CHCH 
  COLN  ???  IR      c     169.12   3.51 NEIC      COLN 
  CACH  ???  IR      d     171.17   3.54 NEIC      CACH 
  SFDO  ???  IR      d     177.15   4.00 NEIC      SFDO 
  RFA   ???  IR      d     151.20   4.77 NEIC      RFA  
  MRA   ???  IR      c     112.30   5.06 NEIC      MRA  
  CYA   ???  IR      d      66.90   5.22 NEIC      CYA  
  TCA   ???  IR      d      98.92   5.76 NEIC      TCA  
  SLA   ???  IR      d      42.37   7.77 NEIC      SLA  
  VAO3  ???  IR      c      76.11  23.55 VAO       VAO3 
  VNA3  ???  IR      +     158.91  52.26 AWI       VNA3 
  VNA1  ???  IR      +     158.03  52.54 AWI       VNA1 
  VNA2  ???  IR      +     158.28  52.89 AWI       VNA2 

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