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
  PTL   ???  IR      C     198.64   0.99 ATH       PTL  
  ATH   ???  IR      C     203.15   1.10 ATH       ATH  
  EVR   ???  IR      C     268.57   1.92 ATH       EVR  
  APE   ???  IR      C     152.11   2.16 ATH       APE  
  VLI   ???  IR      C     205.29   2.50 ATH       VLI  
  MMB   ???  IR      c     351.16   2.63 SOF       MMB  
  SKO   ???  IR      c     325.01   3.68 NEIC      SKO  
  BARS  ???  IR      +     334.87   4.25 BEO       BARS 
  ULC   S?Z  IR      +     309.39   4.85 PDG       ULC  
  PVY   S?Z  IR      -     319.14   4.86 PDG       PVY  
  BEY   S?Z  IR      +     320.90   5.10 PDG       BEY  
  TTG   S?Z  IR      +     313.66   5.13 PDG       TTG  
  BDV   S?Z  IR      +     310.22   5.29 PDG       BDV  
  NKY   S?Z  IR      -     315.39   5.53 PDG       NKY  
  HCY   S?Z  IR      -     310.06   5.58 PDG       HCY  
  PLE   S?Z  IR      -     321.23   5.69 PDG       PLE  
  BRY   S?Z  IR      +     313.85   5.84 PDG       BRY  
  SNX   ???  IR      -       7.89   6.43 BUC       SNX  
  MGR   ???  IR      D     282.40   6.83 ROM       MGR  
  VRI   ???  IR      -      14.04   7.11 BUC       VRI  
  MEU   ???  IR      C     258.55   7.61 ROM       MEU  
  PKSM  ???  IR      d     331.95   8.32 NEIC      PKSM 
  PTJ   ???  IR      C     321.11   9.24 ZAG       PTJ  
  ARSA  ???  IR      D     325.12  10.43 VIE       ARSA 
  KBA   ???  IR      C     318.89  11.36 VIE       KBA  
  MOA   ???  IR      D     323.89  11.45 VIE       MOA  

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