PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-08:12:50
G01     113.8          21.5                6.8 +/-    0.68      14.5 +/-    0.68  0.030 / 0.030
G07     95.5           62.2                6.0 +/-    0.78       6.6 +/-    0.78  0.030 / 0.030
G08     42.5           24.2                2.6 +/-    1.64       5.2 +/-    1.64  0.030 / 0.030
G09     172.6          15.5                4.7 +/-    1.52      11.5 +/-    1.52  0.030 / 0.040
G11     96.8           41.8                7.0 +/-    0.85       9.8 +/-    0.85  0.090 / 0.170
G13     314.3          24.3                3.2 +/-    0.74       6.3 +/-    0.74  0.100 / 0.200
G17     202.5          32.6                6.1 +/-    1.29      10.2 +/-    1.29  0.090 / 0.240
G18     86.1           22.5                3.8 +/-    1.10       7.9 +/-    1.10  0.090 / 0.200
G28     301.7          58.8                4.7 +/-    0.63       5.4 +/-    0.63  0.080 / 0.240
G30     353.9          72.4                4.8 +/-    0.82       5.0 +/-    0.82  0.070 / 0.210