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
  HNR   BHZ  IU  10  +   a 309.44   2.87 ISC       HNR  
  SANVU BHZ   G  00  -   a 130.89   6.39 ISC       SANVU
  RK2S  SHZ  AU  00  -   a 221.40  16.34 ISC       RK2S 
  RK1H  SHZ  AU  00  -   a 221.28  16.41 ISC       RK1H 
  MTSU  SHZ  AU  --  -   a 246.36  18.58 ISC       MTSU 
  RMQ   SHZ  AU  --  +   a 218.09  19.73 ISC       RMQ  
  AS16  SHZ  AU  --  +   a 241.68  29.56 ISC       AS16 
  AS11  SHZ  AU  --  -   a 241.62  29.60 ISC       AS11 
  MEEK  BHZ  AU  --  +   a 243.22  43.72 ISC       MEEK 
  HAT   HHZ  HV  --  +   a  54.25  51.84 ISC       HATHI
  KMI   ???  IR      d     302.83  68.30 BJI       KMI  
  K27K  BHZ  TA  --  -   a  21.39  86.06 ISC       K27K 

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