PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-08:58:10
G01     112.9          20.8                5.5 +/-    1.24      11.8 +/-    1.24  0.040 / 0.080
G07     94.9           61.9                5.6 +/-    0.68       6.3 +/-    0.68  0.040 / 0.070
G08     43.8           29.6                2.8 +/-    0.71       5.0 +/-    0.71  0.030 / 0.040
G09     175.5          20.6                5.9 +/-    1.18      12.9 +/-    1.18  0.030 / 0.050
G11     101.4          43.0                5.9 +/-    0.66       8.1 +/-    0.66  0.080 / 0.100
G13     314.4          24.6                2.5 +/-    1.10       5.0 +/-    1.10  0.080 / 0.120
G17     202.9          27.5                3.8 +/-    1.94       7.1 +/-    1.94  0.080 / 0.220
G18     88.0           22.6                3.4 +/-    0.86       6.9 +/-    0.86  0.080 / 0.270
G28     291.0          54.9                5.2 +/-    0.84       6.2 +/-    0.84  0.080 / 0.140
G30     352.4          72.1                4.1 +/-    0.51       4.3 +/-    0.51  0.100 / 0.170