PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/07-00:43:10
G01     314.0          26.5               11.8 +/-    2.84      22.4 +/-    2.84  0.150 / 0.130
G10     94.4           47.6               11.8 +/-    0.72      15.4 +/-    0.72  0.150 / 0.140
G11     291.4          27.9               11.1 +/-    1.22      20.4 +/-    1.22  0.080 / 0.190
G14     335.8          70.3               12.7 +/-    0.87      13.4 +/-    0.87  0.080 / 0.190
G18     110.5          21.3               11.7 +/-    1.64      25.0 +/-    1.64  0.030 / 0.040
G22     305.4          17.6               11.8 +/-    1.05      27.5 +/-    1.05  0.030 / 0.040
G25     89.3           13.1               11.1 +/-    1.75      29.0 +/-    1.75  0.050 / 0.080
G31     176.6          51.4               16.3 +/-    0.66      20.2 +/-    0.66  0.060 / 0.040
G32     18.6           62.1               10.9 +/-    0.74      12.2 +/-    0.74  0.160 / 0.390