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
  ARMA  ???  IR      D     228.58  19.11 AUST      ARMA 
  CTAO  ???  IR      d     262.09  20.72 NEIC      CTAO 
  MOZ   ???  IR      +     165.12  20.75 WEL       MOZ  
  SNZO  ???  IR      c     167.48  23.40 NEIC      SNZO 
  ASPA  ???  IR      D     254.87  32.31 AUST      ASPA 
  SBA   ???  IR      c     180.34  59.38 NEIC      SBA  
  KSM   ???  IR      d     282.80  60.20 KLM       KSM  
  SSE   ???  IR      C     317.01  66.84 BJI       SSE  
  INCN  ???  IR      c     325.36  68.04 NEIC      INCN 
  QIZ   ???  IR      U     299.99  68.32 BJI       QIZ  
  YSS   ???  IR      c     341.67  69.07 NEIC      YSS  
  WHN   ???  IR      D     312.62  71.10 BJI       WHN  
  SPA   ???  IR      c     180.00  71.60 NEIC      SPA  
  DL2   ???  IR      c     323.43  71.82 BJI       DL2  
  TIA   ???  IR      C     318.82  72.72 BJI       TIA  
  SNY   ???  IR      U     326.70  72.81 BJI       SNY  
  GYA   ???  IR      U     305.20  74.56 BJI       GYA  
  KLR   M?Z  IR      D     336.23  74.79 MOS       KLR  
  KMI   ???  IR      C     302.24  77.01 BJI       KMI  
  CM31  ???  IR      c     294.53  77.26 NEIC      CM31 
  CD2   ???  IR      C     307.85  78.98 BJI       CD2  
  HHC   ???  IR      C     319.83  79.00 BJI       HHC  
  LZH   ???  IR      C     312.44  81.48 BJI       LZH  
  ULN   B?Z  IR      C     323.76  85.67 MOS       ULN  
  YAK   ???  IR      c     342.90  85.88 NEIC      YAK  
  GTA   ???  IR      C     313.80  85.88 BJI       GTA  
  KCPM  ???  IR      c      45.94  85.97 NEIC      KCPM 
  BKS   ???  IR      c      48.03  86.07 BRK       BKS  
  SAO   ???  IR      c      49.31  86.14 NEIC      SAO  
  BILL  B?Z  IR      C     359.29  86.32 MOS       BILL 
  KHMM  ???  IR      c      44.84  86.43 NEIC      KHMM 
  PMR   ???  IR      c      18.96  86.78 NEIC      PMR  
  ORV   ???  IR      c      46.80  87.34 CDWR      ORV  
  CMB   ???  IR      c      48.54  87.45 NEIC      CMB  
  CAL   S??  IR      C     294.43  88.00 NDI       CAL  
  MCK   ???  IR      c      17.64  88.48 NEIC      MCK  
  PFO   ???  IR      c      53.88  88.53 NEIC      PFO  
  ZAK   S?Z  IR      C     324.57  89.11 MOS       ZAK  
  MOD   ???  IR      c      45.09  89.19 NEIC      MOD  
  NVL   S?Z  IR      C     187.65  89.44 MOS       NVL  
  MAIT  ???  IR      c     187.62  89.44 HYB       MAIT 
  IRK   S?Z  IR      C     326.49  89.54 MOS       IRK  
  TLY   B?Z  IR      C     325.81  89.58 MOS       TLY  
  SNAA  ???  IR      +     182.84  89.83 AWI       SNAA 
  VNA3  ???  IR      c     180.71  90.46 NEIC      VNA3 
  VNA2  ???  IR      c     181.47  90.74 NEIC      VNA2 
  VNA1  ???  IR      c     181.20  91.03 NEIC      VNA1 

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