PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-08:28:10
G01     40.9           16.3                2.7 +/-    1.71       6.6 +/-    1.71  0.070 / 0.110
G06     173.8          37.3                7.4 +/-    1.35      11.2 +/-    1.35  0.070 / 0.090
G13     237.9          24.0                4.8 +/-    1.98       9.6 +/-    1.98  0.080 / 0.230
G15     271.2          13.0                4.0 +/-    1.19      10.5 +/-    1.19  0.090 / 0.220
G17     356.0          72.6                6.0 +/-    0.89       6.2 +/-    0.89  0.160 / 0.390
G19     274.3          70.1                6.2 +/-    0.63       6.5 +/-    0.63  0.180 / 0.370
G24     317.4          16.1                2.3 +/-    2.66       5.6 +/-    2.66  0.040 / 0.070
G28     59.5           53.6                4.8 +/-    0.54       5.8 +/-    0.54  0.040 / 0.060
G30     155.0          32.5                7.6 +/-    0.79      12.6 +/-    0.79  0.040 / 0.030