PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/17-04:12:40
G01     313.7          26.8                6.0 +/-    1.14      11.3 +/-    1.14  0.030 / 0.020
G10     94.6           47.6                5.8 +/-    0.65       7.5 +/-    0.65  0.050 / 0.020
G11     290.2          28.7                5.9 +/-    0.96      10.7 +/-    0.96  0.040 / 0.030
G14     337.6          70.2                4.4 +/-    0.39       4.6 +/-    0.39  0.030 / 0.030
G18     110.2          22.4                5.2 +/-    0.87      10.9 +/-    0.87  0.110 / 0.160
G22     305.7          18.8                7.0 +/-    1.21      15.8 +/-    1.21  0.100 / 0.200
G25     87.0           13.0                4.6 +/-    2.69      12.1 +/-    2.69  0.120 / 0.170
G31     173.6          53.8                8.0 +/-    0.39       9.6 +/-    0.39  0.120 / 0.120
G32     22.4           60.5                5.4 +/-    1.13       6.1 +/-    1.13  0.040 / 0.040