PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-10:42:50
G01     126.4          10.9                2.5 +/-   17.55       7.0 +/-   17.55  0.100 / 0.080
G07     58.3           68.2                3.6 +/-    0.68       3.9 +/-    0.68  0.090 / 0.110
G08     53.7           44.0                3.5 +/-    0.69       4.7 +/-    0.69  0.020 / 0.030
G09     178.2          37.6                5.5 +/-    0.79       8.4 +/-    0.79  0.030 / 0.040
G11     119.9          35.7                5.4 +/-    1.16       8.5 +/-    1.16  0.160 / 0.220
G13     320.9          12.1                0.8 +/-    8.23       2.2 +/-    8.23  0.060 / 0.080
G17     200.7          10.1               -8.6 +/-    3.65     -24.1 +/-    3.65  0.050 / 0.060
G18     103.6          16.2                3.7 +/-    3.53       8.9 +/-    3.53  0.040 / 0.050
G28     268.2          47.2                4.4 +/-    3.45       5.7 +/-    3.45  0.040 / 0.040
G30     331.6          60.0                2.5 +/-    0.40       2.9 +/-    0.40  0.120 / 0.310