PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-11:57:50
G01     39.3           13.9                1.6 +/-    1.25       4.1 +/-    1.25  0.040 / 0.070
G06     172.9          41.5                6.1 +/-    1.53       8.7 +/-    1.53  0.040 / 0.070
G13     234.8          21.4                7.8 +/-    1.58      16.5 +/-    1.58  0.120 / 0.250
G15     270.6          11.4                5.3 +/-    1.84      14.4 +/-    1.84  0.090 / 0.240
G17     358.7          70.8                5.6 +/-    0.79       5.9 +/-    0.79  0.030 / 0.040
G19     286.0          71.3                5.2 +/-    0.63       5.5 +/-    0.63  0.030 / 0.040
G24     316.2          19.4                3.5 +/-    0.66       7.8 +/-    0.66  0.040 / 0.040
G28     66.4           51.3                4.5 +/-    0.83       5.6 +/-    0.83  0.030 / 0.040
G30     155.5          27.1                6.5 +/-    1.05      12.0 +/-    1.05  0.060 / 0.070