A Multistep Method for Automatic Determination and Optimization of Microseismic P-Phase Arrival Times in a Coal Mine

Table 4

Time difference between station 8 and other stations.

Channel number	ΔTA	ΔTT	λ
1	0.036	0.0393	0.9169
2	0.034	0.0361	0.9414
3	0.048	0.0347	1.3828
4	0.468	0.0351	13.343
5	0.059	0.0372	1.5841
6	0.019	0.0408	0.4662
7	0.071	0.0081	8.7215
9	0.056	0.0084	6.6419
10	1.471	0.0164	89.7603
11	0.058	0.0247	2.3484
12	1.471	0.0329	44.7076