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
  RTLL  H?Z  IR      D      89.97   0.82 GUC       RTLL 
  CO03  H?Z  IR      C     294.26   1.18 GUC       CO03 
  CO02  H?Z  IR      C     275.09   1.35 GUC       CO02 
  CO01  H?Z  IR      C     337.00   1.47 GUC       CO01 
  GO04  B?Z  IR      C     314.19   1.65 GUC       GO04 
  CO06  H?Z  IR      C     288.61   2.00 GUC       CO06 
  PEL   BHZ   G  00  -   a 209.90   2.09 ISC       PEL  
  PEL   B?Z  IR      D     210.11   2.09 GUC       PEL  
  CO05  H?Z  IR      C     311.73   2.10 GUC       CO05 
  ROCH  H?Z  IR      D     218.90   2.11 GUC       ROCH 
  MT10  H?Z  IR      D     205.49   2.15 GUC       MT10 
  MT04  H?Z  IR      C     195.89   2.15 GUC       MT04 
  MT14  H?Z  IR      D     204.10   2.26 GUC       MT14 
  MT16  H?Z  IR      C     203.52   2.28 GUC       MT16 
  MT03  H?Z  IR      C     202.63   2.34 GUC       MT03 
  MT02  H?Z  IR      C     216.48   2.40 GUC       MT02 
  LMEL  H?Z  IR      C     194.32   2.59 GUC       LMEL 

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