PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/08-09:57:40
G02     220.7          66.1                7.0 +/-    1.02       7.6 +/-    1.02  0.040 / 0.070
G06     48.6           69.3                5.4 +/-    0.42       5.7 +/-    0.42  0.060 / 0.060
G12     320.4          43.5                5.9 +/-    1.71       8.1 +/-    1.71  0.050 / 0.040
G17     60.6           29.4                3.0 +/-    1.10       5.3 +/-    1.10  0.040 / 0.050
G19     46.1           44.3                4.3 +/-    1.24       5.8 +/-    1.24  0.050 / 0.070
G24     261.0          39.8                7.8 +/-    0.66      11.5 +/-    0.66  0.040 / 0.050
G28     123.5          17.5                6.2 +/-    1.83      14.5 +/-    1.83  0.070 / 0.080