PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-08:12:40
G01     80.3           32.2                5.6 +/-    0.52       9.4 +/-    0.52  0.030 / 0.030
G07     130.8          38.6                8.1 +/-    0.57      12.1 +/-    0.57  0.030 / 0.030
G11     62.7           39.0                4.6 +/-    0.56       6.8 +/-    0.56  0.050 / 0.090
G13     285.4          38.8                5.7 +/-    0.91       8.4 +/-    0.91  0.050 / 0.120
G15     309.9          12.9                2.3 +/-    1.24       6.1 +/-    1.24  0.030 / 0.050
G17     218.8          58.9                7.0 +/-    0.71       8.1 +/-    0.71  0.030 / 0.050
G19     216.8          35.3                6.9 +/-    1.21      10.9 +/-    1.21  0.040 / 0.050
G28     345.2          61.5                3.6 +/-    0.73       4.0 +/-    0.73  0.040 / 0.060
G30     120.5          73.6                7.7 +/-    0.39       8.0 +/-    0.39  0.040 / 0.080