PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/13-11:42:50
G01     39.9           14.8                2.3 +/-    2.48       5.8 +/-    2.48  0.180 / 0.180
G06     173.2          40.2                4.7 +/-    0.68       6.9 +/-    0.68  0.110 / 0.210
G13     235.8          22.3                5.5 +/-    1.47      11.4 +/-    1.47  0.030 / 0.020
G15     271.1          11.8                5.5 +/-    1.83      14.8 +/-    1.83  0.030 / 0.030
G17     356.3          71.7                5.3 +/-    0.62       5.6 +/-    0.62  0.040 / 0.030
G19     281.9          70.9                3.1 +/-    0.71       3.3 +/-    0.71  0.040 / 0.030
G24     316.6          18.4                2.1 +/-    3.42       4.8 +/-    3.42  0.060 / 0.080
G28     64.5           51.9                3.5 +/-    1.14       4.3 +/-    1.14  0.050 / 0.080
G30     155.2          28.4                5.4 +/-    1.46       9.7 +/-    1.46  0.050 / 0.050