PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-05:13:00
G01     126.1          12.2                4.7 +/-    1.95      12.5 +/-    1.95  0.040 / 0.030
G07     60.6           68.5                4.4 +/-    0.62       4.7 +/-    0.62  0.030 / 0.030
G08     48.4           36.3                3.1 +/-    0.56       4.8 +/-    0.56  0.030 / 0.040
G09     175.3          31.8                7.0 +/-    1.83      11.8 +/-    1.83  0.020 / 0.030
G11     115.0          36.3                6.6 +/-    0.78      10.2 +/-    0.78  0.080 / 0.350
G13     320.7          12.9               -2.6 +/-   11.92      -6.8 +/-   11.92  0.080 / 0.320
G17     199.0          18.2                5.0 +/-    0.62      11.5 +/-    0.62  0.090 / 0.280
G18     100.1          17.1                6.0 +/-    1.86      14.1 +/-    1.86  0.080 / 0.280
G28     275.9          52.2                5.4 +/-    1.12       6.6 +/-    1.12  0.120 / 0.410
G30     331.9          60.2                4.0 +/-    0.89       4.5 +/-    0.89  0.140 / 0.340