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
  PVC   ???  IR      c     268.79  12.53 NEIC      PVC  
  BKM   ???  IR      C     269.10  12.60 NOU       BKM  
  DVP   ???  IR      c     268.83  12.65 NEIC      DVP  
  CNB   ???  IR      D     232.29  33.33 AUST      CNB  
  CTA   ???  IR      D     260.54  33.33 AUST      CTA  
  CTAO  ???  IR      d     260.54  33.33 NEIC      CTAO 
  WAU   ???  IR      d     282.78  35.44 NEIC      WAU  
  STKA  ???  IR      D     241.13  38.52 AUST      STKA 
  ADE   ???  IR      d     237.24  41.54 NEIC      ADE  
  ASPA  ???  IR      D     254.25  44.68 AUST      ASPA 
  KAKA  ???  IR      D     269.02  47.47 AUST      KAKA 
  FORT  ???  IR      D     244.61  49.90 AUST      FORT 
  FITZ  ???  IR      D     260.57  52.91 AUST      FITZ 
  MBWA  ???  IR      d     255.90  57.96 NEIC      MBWA 
  MUN   ???  IR      C     243.01  60.02 AUST      MUN  
  BUNI  ???  IR      D     275.68  61.45 DJA       BUNI 
  RATI  ???  IR      D     268.72  64.54 DJA       RATI 
  SPA   ???  IR      D     180.00  72.19 SPA       SPA  
  SAO   ???  IR      c      43.89  76.51 NEIC      SAO  
  WCN   ???  IR      c      42.51  79.05 NEIC      WCN  
  MNV   ???  IR      c      43.95  79.61 NEIC      MNV  
  TPH   ???  IR      c      44.66  80.04 NEIC      TPH  
  MOD   ???  IR      c      40.10  80.17 NEIC      MOD  
  WHN   ???  IR      C     306.31  80.52 BJI       WHN  
  ELK   ???  IR      c      43.17  82.74 NEIC      ELK  
  WUAZ  ???  IR      c      49.26  82.84 NEIC      WUAZ 
  HAWA  ???  IR      c      36.69  83.18 NEIC      HAWA 
  MCK   ???  IR      c      12.75  84.58 NEIC      MCK  
  HVU   ???  IR      c      43.21  84.87 NEIC      HVU  
  LTX   ???  IR      c      57.66  86.10 NEIC      LTX  
  KMI   ???  IR      C     297.16  87.73 BJI       KMI  
  SNAA  ???  IR      -     178.64  90.59 AWI       SNAA 
  VNA3  ???  IR      -     176.42  90.74 AWI       VNA3 
  LZH   ???  IR      D     307.70  90.81 BJI       LZH  
  VNA2  ???  IR      -     177.10  91.17 AWI       VNA2 
  VNA2  ???  IR      d     177.10  91.17 NEIC      VNA2 
  VNA1  ???  IR      -     176.77  91.40 AWI       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