PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-10:57:40
G01     126.9          10.5               -6.5 +/-   33.18     -17.9 +/-   33.18  0.100 / 0.130
G07     56.8           68.3                3.6 +/-    0.89       3.8 +/-    0.89  0.110 / 0.070
G08     54.2           44.3                3.2 +/-    0.68       4.4 +/-    0.68  0.030 / 0.030
G09     178.3          38.3                5.2 +/-    0.62       7.8 +/-    0.62  0.030 / 0.030
G11     120.4          35.3                5.6 +/-    0.95       8.8 +/-    0.95  0.050 / 0.080
G13     321.0          11.6               -3.5 +/-   11.70      -9.6 +/-   11.70  0.050 / 0.080
G18     104.2          15.9                3.1 +/-    2.67       7.5 +/-    2.67  0.090 / 0.340
G28     267.5          46.8                3.8 +/-    4.33       4.9 +/-    4.33  0.120 / 0.300
G30     331.2          59.7                1.8 +/-    0.29       2.1 +/-    0.29  0.050 / 0.040