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
  PTGC  H?Z  IR      D     293.13   0.99 RSNC      PTGC 
  VILC  S?Z  IR      C     277.04   2.48 RSNC      VILC 
  RUSC  H?Z  IR      C     318.25   2.78 RSNC      RUSC 
  PRAC  H?Z  IR      D     268.63   3.66 RSNC      PRAC 
  BRRC  H?Z  IR      C     323.03   4.11 RSNC      BRRC 
  GUY2C H?Z  IR      D     288.95   4.36 RSNC      GUY2C
  OCAC  H?Z  IR      C     334.77   4.87 RSNC      OCAC 
  SDV   BHZ  IU  10  -   a   6.61   5.08 ISC       SDV  
  SJC   BHZ  CM  00  +   a 327.21   7.21 ISC       SJCC 
  SAML  BHZ  IU  00  -   a 147.72  15.00 ISC       SAML 
  PB16  BHZ  CX  --  +   a 175.66  22.07 ISC       PB16 
  PB11  BHZ  CX  --  +   a 176.29  23.47 ISC       PB11 
  HMBCX BHZ  CX  --  -   a 176.91  23.97 ISC       HMBC 

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