PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-06:27:50
G03     227.8          65.9                4.4 +/-    0.53       4.8 +/-    0.53  0.050 / 0.080
G07     251.3          12.7                4.3 +/-    2.37      11.3 +/-    2.37  0.060 / 0.050
G09     305.6          21.1                3.7 +/-    3.96       7.9 +/-    3.96  0.170 / 0.480
G14     102.3          12.8                3.6 +/-    1.98       9.5 +/-    1.98  0.110 / 0.500
G16     116.1          61.0                6.5 +/-    0.49       7.3 +/-    0.49  0.180 / 0.410
G22     194.4          51.3                5.4 +/-    0.72       6.7 +/-    0.72  0.110 / 0.400
G23     325.9          55.6                3.2 +/-    0.55       3.8 +/-    0.55  0.040 / 0.030
G26     63.0           48.9                4.1 +/-    0.59       5.2 +/-    0.59  0.040 / 0.040
G31     55.1           14.8                2.1 +/-    1.45       5.1 +/-    1.45  0.030 / 0.050