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
  QSPA  BHZ  IU  00  +   a 179.98  32.08 ISC       QSPA 
  PMNB  HHZ  BL  --  +   a 329.34  42.57 ISC       PMNB 
  VNDA  BHZ  GT  00  +   a 182.16  44.50 ISC       VNDA 
  LPAZ  BHZ  GT  00  +   a 304.35  52.52 ISC       LPAZ 
  SAML  BHZ  IU  10  +   a 313.48  57.09 ISC       SAML 
  DBIC  BHZ  GT  00  +   a  22.00  66.67 ISC       DBIC 
  DBIC  SHZ  GT  10  +   a  22.00  66.67 ISC       DBIC 

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