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
  BARC  H?Z  IR      D     194.53   0.27 RSNC      BARC 
  PTBC  H?Z  IR      C     256.92   1.37 RSNC      PTBC 
  TAMC  H?Z  IR      C     107.43   1.38 RSNC      TAMC 
  CHIC  H?Z  IR      D     195.57   2.29 RSNC      CHIC 
  ROSC  B?Z  IR      D     211.01   2.33 RSNC      ROSC 
  CVER  H?Z  IR      D     202.44   2.50 RSNC      CVER 
  PTGC  H?Z  IR      D     159.63   2.81 RSNC      PTGC 
  DBBC  H?Z  IR      C     273.23   3.08 RSNC      DBBC 
  SDV   B?Z  IR      C      50.43   3.18 RSNC      SDV  
  APAC  H?Z  IR      C     287.06   3.59 RSNC      APAC 

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