PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-06:57:40
G01     116.8          17.9                6.8 +/-    1.16      15.9 +/-    1.16  0.030 / 0.040
G07     83.7           65.3                6.8 +/-    0.42       7.4 +/-    0.42  0.040 / 0.030
G08     45.2           32.3                3.4 +/-    1.40       5.7 +/-    1.40  0.110 / 0.100
G09     175.5          24.3                7.2 +/-    0.91      14.3 +/-    0.91  0.080 / 0.090
G11     108.7          41.5                9.2 +/-    1.10      13.1 +/-    1.10  0.100 / 0.130
G13     316.9          21.1                1.7 +/-    3.69       3.7 +/-    3.69  0.090 / 0.140
G17     201.3          23.8                6.2 +/-    2.95      12.6 +/-    2.95  0.170 / 0.470
G28     282.8          52.3                6.9 +/-    2.10       8.5 +/-    2.10  0.150 / 0.300
G30     341.8          67.4                5.7 +/-    0.86       6.1 +/-    0.86  0.060 / 0.080