PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-06:12:40
G01     125.8          10.9                0.8 +/-   24.42       2.3 +/-   24.42  0.030 / 0.040
G07     53.4           69.2                5.4 +/-    0.32       5.7 +/-    0.32  0.030 / 0.040
G08     51.8           41.1                3.2 +/-    0.71       4.5 +/-    0.71  0.080 / 0.080
G09     176.4          35.4                7.8 +/-    0.61      12.2 +/-    0.61  0.070 / 0.100
G11     121.8          35.8                7.0 +/-    0.69      11.0 +/-    0.69  0.130 / 0.350
G13     320.8          12.3                1.0 +/-   12.50       2.8 +/-   12.50  0.130 / 0.390
G17     199.5          13.0                5.6 +/-    2.67      14.7 +/-    2.67  0.030 / 0.030
G28     267.3          46.1                5.8 +/-    3.20       7.7 +/-    3.20  0.030 / 0.030
G30     328.4          57.9                4.7 +/-    0.69       5.4 +/-    0.69  0.110 / 0.110