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
  VNA1  BHZ  IR      c     157.03  14.69 AWI       VNA1 
  VNA3  BHZ  IR      c     159.88  14.89 AWI       VNA3 
  VNA3  BHZ  AW  --  +   a 159.87  14.89 ISC       VNA3 
  VNAC7 SHZ  AW  --  +   a 156.84  15.08 ISC       VNA2 
  VNA2  BHZ  IR      c     156.84  15.09 AWI       VNA2 
  VNAB1 SHZ  AW  --  +   a 156.83  15.09 ISC       VNA2 
  VNAB3 SHZ  AW  --  -   a 156.85  15.09 ISC       VNA2 
  SNAA  BHZ  IR      c     154.76  16.64 AWI       SNAA 
  TROLL BHZ  IR      c     152.00  18.14 AWI       TROLL
  BELA  BHZ  AI  04  +   a 185.54  20.26 ISC       BELA 
  QSPA  B?Z  IR      C     179.98  32.30 ISC1      QSPA 
  BYRD  BHZ  YT  --  +   a 198.02  34.25 ISC       BYA  
  NAN01 HHZ  ON  --  -   a 338.76  41.48 ISC       NAN01
  CCD   B?Z  IR      C     169.21  45.64 ISC1      CCD  
  CCD   BHZ   G  00  +   a 169.21  45.64 ISC       CCD  
  CKGRV BHZ  BX  --  +   a  65.60  50.88 ISC       CKGRV
  CASY  BHZ  IU  00  +   a 159.08  51.81 ISC       CASY 
  CASY  BHZ  IU  10  +   a 159.08  51.81 ISC       CASY 
  SMTB  HHZ  BR  --  +   a 331.84  51.84 ISC       SMTB 
  DRV   B?Z  IR      C     173.05  55.23 ISC1      DRV  
  DRV   BHZ   G  00  +   a 173.04  55.24 ISC       DRV  
  MCPB  HHZ  BR  --  -   a 329.35  61.16 ISC       MCPB 
  CZSB  HHZ  BR  --  +   a 304.45  61.82 ISC       CZSB 
  BOAV  HHZ  BR  --  -   a 321.28  66.33 ISC       BOAV 
  TAU   BHZ  II  10  -   a 174.66  79.33 ISC       TAU  
  YAPP  BHZ  AU  00  -   a 166.31  89.51 ISC       YAPP 

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