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
  VCA   ???  IR      d      73.67   2.83 NEIC      VCA  
  RTLL  ???  IR      d     126.50   3.00 NEIC      RTLL 
  RTCV  ???  IR      d     134.65   3.29 NEIC      RTCV 
  CFA   ???  IR      d     128.37   3.33 NEIC      CFA  
  PEL   ???  IR      U     171.86   3.60 GUC       PEL  
  PEL   ???  IR      c     171.86   3.60 NEIC      PEL  
  FCH   ???  IR      U     167.38   3.84 GUC       FCH  
  FCH   ???  IR      c     167.38   3.84 NEIC      FCH  
  SAN   ???  IR      U     172.24   3.91 GUC       SAN  
  SAN   ???  IR      c     172.24   3.91 NEIC      SAN  
  TACH  ???  IR      U     175.84   4.08 GUC       TACH 
  TACH  ???  IR      c     175.84   4.08 NEIC      TACH 
  PCH   ???  IR      U     170.86   4.09 GUC       PCH  
  PCH   ???  IR      c     170.86   4.09 NEIC      PCH  
  LNV   ???  IR      U     181.29   4.38 GUC       LNV  
  LNV   ???  IR      c     181.29   4.38 NEIC      LNV  
  CHCH  ???  IR      D     173.02   4.38 GUC       CHCH 
  CHCH  ???  IR      d     173.02   4.38 NEIC      CHCH 
  COLN  ???  IR      U     171.20   4.54 GUC       COLN 
  COLN  ???  IR      c     171.20   4.54 NEIC      COLN 
  CACH  ???  IR      U     172.77   4.57 GUC       CACH 
  CACH  ???  IR      c     172.77   4.57 NEIC      CACH 
  CYA   ???  IR      d      78.19   4.94 NEIC      CYA  
  MRA   ???  IR      d     122.09   5.57 NEIC      MRA  
  TCA   ???  IR      d     108.62   6.04 NEIC      TCA  
  SLA   ???  IR      d      48.24   7.06 NEIC      SLA  
  RSTA  ???  IR      d      81.40  20.40 VAO       RSTA 
  VAO3  ???  IR      c      78.48  23.36 NEIC      VAO3 
  VNA3  ???  IR      c     159.19  53.24 NEIC      VNA3 
  VNA1  ???  IR      +     158.32  53.52 AWI       VNA1 
  VNA2  ???  IR      c     158.56  53.87 NEIC      VNA2 
  SNAA  ???  IR      +     159.07  55.46 AWI       SNAA 
  LBTB  ???  IR      c     114.99  83.59 NEIC      LBTB 

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