Finishing the location of hypocentre: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Input: TREF... Optional reference arrival time. Need not be specified. $2,$3,$4... Temporary files to accumulate intermediate results. Output: $5... Grid values of the relative probability. $6... Grid values of the mean hypocentral time. $7... Grid values of the standard deviation of hypocentral time. For example refer to wb2-loc.h. A=1./$2 THYPO=$3/$2 SIGMA=$4*$4 SIGMA=-0.5*SIGMA $5=EXP(SIGMA) $6=THYPO+TREF $7=SQRT(A)