PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/09-06:12:50
G08     320.3          11.4                1.2 +/-   15.98       3.2 +/-   15.98  0.070 / 0.090
G10     308.4          55.5                3.4 +/-    0.73       4.1 +/-    0.73  0.060 / 0.080
G14     211.5          17.8                3.6 +/-    1.60       8.3 +/-    1.60  0.040 / 0.040
G15     45.5           21.4                2.3 +/-    0.67       5.0 +/-    0.67  0.040 / 0.030
G20     7.7            64.5                3.3 +/-    0.56       3.6 +/-    0.56  0.030 / 0.040
G21     113.7          68.7                4.6 +/-    0.68       4.9 +/-    0.68  0.030 / 0.040
G24     90.0           28.4                4.4 +/-    0.67       8.0 +/-    0.67  0.100 / 0.390
G27     294.9          35.8                3.6 +/-    0.76       5.6 +/-    0.76  0.130 / 0.530
G32     213.8          34.1                5.8 +/-    1.39       9.3 +/-    1.39  0.140 / 0.280