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
  PRI   ???  IR      +     276.18   0.39 ISC       PRI  
  LLA   ???  IR      -     310.27   0.80 ISC       LLA  
  FRI   ???  IR      -      23.15   0.97 ISC       FRI  
  PRS   ???  IR      +     283.88   0.99 ISC       PRS  
  SAO   ???  IR      +     303.39   1.22 ISC       SAO  
  SYP   ???  IR      +     173.83   1.58 ISC       SYP  
  MHC   ???  IR      +     317.01   1.71 ISC       MHC  
  GCC   ???  IR      -     302.97   1.73 ISC       GCC  
  CWC   ???  IR      -      78.11   1.73 ISC       CWC  
  JAS1  ???  IR      -     354.12   1.83 ISC       JAS1 
  TIN   ???  IR      -      58.23   1.84 ISC       TIN  
  SBB   ???  IR      +     125.49   2.39 ISC       SBB  
  MNA   ???  IR      -      34.17   2.83 ISC       MNA  
  ORV   ???  IR      +     343.57   3.60 ISC       ORV  
  MIN   ???  IR      -     345.62   4.38 ISC       MIN  
  EDM   ???  IR      -      13.55  17.78 ISC       EDM  

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