PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/18-04:57:40
G03     224.7          63.4                6.4 +/-    0.66       7.0 +/-    0.66  0.050 / 0.060
G07     253.1          12.5                5.2 +/-    2.47      13.7 +/-    2.47  0.040 / 0.060
G09     309.5          28.8                3.7 +/-    2.75       6.6 +/-    2.75  0.120 / 0.480
G14     105.3          10.2                4.2 +/-    2.81      11.7 +/-    2.81  0.210 / 0.350
G16     106.3          62.9                6.5 +/-    0.76       7.2 +/-    0.76  0.140 / 0.510
G22     192.1          48.1                6.6 +/-    2.49       8.5 +/-    2.49  0.120 / 0.520
G23     324.4          54.4                5.9 +/-    0.87       7.1 +/-    0.87  0.030 / 0.040
G26     58.5           46.5                4.3 +/-    0.46       5.7 +/-    0.46  0.030 / 0.050
G31     56.5           13.6                2.1 +/-    1.12       5.3 +/-    1.12  0.040 / 0.050