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
  ATH   ???  IR      C      81.90   1.36 ISS       ATH  
  SKO   ???  IR      D     354.22   4.20 ISS       SKO  
  MES   ???  IR      D     276.53   5.11 ISS       MES  
  BEO   ???  IR      C     351.13   7.11 ISS       BEO  
  ZAG   ???  IR      D     332.69   9.20 ISS       ZAG  
  TRI   ???  IR      D     324.73  10.02 ISS       TRI  
  HLW   ???  IR      C     132.84  11.08 ISS       HLW  
  CHU   ???  IR      D     318.45  12.91 ISS       CHU  
  STU   ???  IR      C     323.80  14.38 ISS       STU  
  BNS   ???  IR      D     326.08  16.86 ISS       BNS  
  UCC   ???  IR      D     321.66  18.07 ISS       UCC  
  CRT   ??Z  IR      C     276.18  20.31 ISC       CRT  
  CRT   ???  IR      C     276.18  20.31 ISS       CRT  
  GOT   ???  IR      D     344.87  20.98 ISS       GOT  
  MAL   ???  IR      C     275.22  21.04 ISS       MAL  
  UPP   S?Z  IR      D     354.16  22.26 ISC       UPP  
  UPP   ???  IR      D     354.16  22.26 ISS       UPP  
  DUR   ???  IR      D     324.20  23.36 ISS       DUR  
  PTO   ???  IR      D     287.67  23.80 ISS       PTO  
  LIS   ???  IR      D     281.86  24.43 ISS       LIS  
  SHL   ???  IR      C      79.94  59.46 ISS       SHL  
  RES   ???  IR      C     344.19  60.46 ISS       RES  
  HAL   ???  IR      D     306.22  61.92 ISS       HAL  
  WES   ???  IR      C     307.05  67.93 ISS       WES  
  OTT   ???  IR      C     311.60  69.02 ISS       OTT  
  MRG   ???  IR      C     308.50  74.88 ISS       MRG  
  FAY   ???  IR      C     313.21  85.72 ISS       FAY  

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