PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/24-02:58:10
G01     116.5          19.5                7.6 +/-    1.59      16.8 +/-    1.59  0.030 / 0.040
G07     91.1           62.8                6.3 +/-    0.62       7.0 +/-    0.62  0.030 / 0.030
G08     43.2           26.5                2.2 +/-    1.88       4.2 +/-    1.88  0.110 / 0.170
G09     175.3          21.7                7.2 +/-    0.72      15.2 +/-    0.72  0.100 / 0.170
G11     100.5          41.1                5.9 +/-    0.58       8.4 +/-    0.58  0.060 / 0.060
G13     316.0          22.1                2.4 +/-    1.43       5.0 +/-    1.43  0.040 / 0.050
G17     201.2          30.0                5.1 +/-    1.67       8.9 +/-    1.67  0.110 / 0.210
G18     87.4           21.3                6.4 +/-    1.33      13.6 +/-    1.33  0.150 / 0.210
G28     294.2          57.1                4.8 +/-    1.07       5.6 +/-    1.07  0.170 / 0.330
G30     348.6          70.2                5.1 +/-    0.69       5.4 +/-    0.69  0.100 / 0.180