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
  AFI   BHZ  IU  10  -   a  45.85   1.81 ISC       AFI  
  NIUE  BHZ  AU  --  +   a 142.28   4.93 ISC       NIUE 
  KNTN  BHZ  IU  00  +   a   6.50  12.40 ISC       KNTN 
  BEK   HHZ  NN  --  +   a  39.71  73.52 ISC       BEKR 
  QSPA  BHZ  IU  00  +   a 180.05  74.86 ISC       QSPA 
  QSPA  BHZ  IU  10  +   a 180.05  74.86 ISC       QSPA 
  QSPA  BHZ  IU  60  +   a 180.05  74.86 ISC       QSPA 
  BLOW  HHZ  UW  --  +   a  34.91  75.42 ISC       H04A 
  PINE  BHZ  UO  --  -   a  36.20  75.56 ISC       PINE 
  X16A  HHZ  AE  --  +   a  48.43  76.56 ISC       X16A 
  PSUT  HHZ  UU  01  +   a  43.78  76.96 ISC       PSUT 
  HLID  BHZ  US  00  -   a  39.21  79.28 ISC       HLID 
  MNTX  BHZ  US  00  +   a  53.26  79.87 ISC       MNTX 
  NJ2   ???  IR      d     306.96  80.25 BJI       NJ2  
  TPAW  BHZ  IW  00  +   a  40.61  81.39 ISC       TPAW 

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