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
  ERM   B?Z  IR      C     243.94   7.68 MOS       ERM  
  PEA0B S?Z  IR      C      23.17   8.10 MOS       PEA0B
  PET   S?Z  IR      C      26.98   8.31 MOS       PET  
  GRNR  S?Z  IR      C     300.87  11.77 MOS       GRNR 
  KLR   B?Z  IR      C     291.33  14.39 MOS       KLR  
  USA0B S?Z  IR      D     271.09  14.55 MOS       USA0B
  SEY   S?Z  IR      C     359.94  17.19 MOS       SEY  
  BNX   ???  IR      c     278.88  17.44 BJI       BNX  
  SNY   ???  IR      d     269.58  21.14 BJI       SNY  
  ULN   S?Z  IR      C     290.54  30.78 MOS       ULN  
  KNGR  S?Z  IR      D     298.04  36.21 MOS       KNGR 
  COLA  S?Z  IR      C      37.58  37.20 MOS       COLA 
  LZH   ???  IR      d     272.60  37.45 BJI       LZH  
  KMI   ???  IR      d     259.87  44.60 BJI       KMI  
  MK31  S?Z  IR      C     297.87  46.97 MOS       MK31 
  KURK  S?Z  IR      C     304.11  47.51 MOS       KURK 
  AAK   S?Z  IR      C     296.65  53.84 MOS       AAK  
  ARU   B?Z  IR      D     317.68  55.41 MOS       ARU  
  GWY   HHZ  NN  --  -   a  62.53  65.74 ISC       GWY  
  WRAB  S?Z  IR      D     198.43  67.43 MOS       WRAB 
  KBZ   S?Z  IR      C     313.80  71.19 MOS       KBZ  
  AKBB  S?Z  IR      C     326.00  72.08 MOS       AKBB 
  ANMO  S?Z  IR      D      57.57  72.76 MOS       ANMO 
  BR131 S?Z  IR      D     316.44  78.77 MOS       BR131
  KHC   S?Z  IR      C     333.86  78.90 MOS       KHC  

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