PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-06:12:50
G03     245.8          69.6                5.8 +/-    0.82       6.2 +/-    0.82  0.040 / 0.050
G09     301.7          16.2                1.5 +/-    2.04       3.7 +/-    2.04  0.050 / 0.050
G14     96.9           17.1                3.9 +/-    1.50       9.3 +/-    1.50  0.120 / 0.350
G16     129.0          56.6                6.1 +/-    0.53       7.2 +/-    0.53  0.110 / 0.400
G22     199.3          58.3                6.2 +/-    1.72       7.1 +/-    1.72  0.030 / 0.040
G23     320.1          50.3                4.2 +/-    1.15       5.3 +/-    1.15  0.030 / 0.040
G26     72.9           52.3                4.9 +/-    0.59       6.1 +/-    0.59  0.030 / 0.050
G31     51.7           19.8                1.2 +/-    0.79       2.6 +/-    0.79  0.040 / 0.060