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
  NNA   BHZ  II  00  +   a 210.10   3.81 ISC       NNA  
  OTAV  BHZ  IU  10  +   a 337.97   9.54 ISC       OTAV 
  SAML  HHZ  IU  10  +   a  92.25  11.57 ISC       SAML 
  SAML  BHZ  IU  00  +   a  92.25  11.57 ISC       SAML 
  SAML  BHZ  IU  10  +   a  92.25  11.57 ISC       SAML 
  PTGA  HHZ  IU  10  +   a  62.82  16.82 ISC       PTGA 
  ANMO  BHZ  IU  00  -   a 327.25  52.65 ISC       ANMO 
  MPM   BHZ  CI  --  -   a 320.64  59.87 ISC       MPMC 
  DUG   BHZ  US  00  -   a 327.04  59.93 ISC       DUG  
  OMMB  HHZ  NN  --  -   a 321.15  61.79 ISC       OMMB 
  QSPA  BHZ  IU  10  -   a 180.05  81.44 ISC       QSPA 
  QSPA  BHZ  IU  70  -   a 180.05  81.44 ISC       QSPA 

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