PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-10:42:50
G07     42.5           69.6                5.0 +/-    1.05       5.3 +/-    1.05  0.050 / 0.070
G08     51.9           40.2                3.9 +/-    0.82       5.7 +/-    0.82  0.060 / 0.090
G09     176.3          37.3                7.3 +/-    2.14      11.1 +/-    2.14  0.030 / 0.030
G11     120.3          33.5                4.7 +/-    0.68       7.8 +/-    0.68  0.020 / 0.040
G17     198.9          13.0                4.0 +/-    3.38      10.5 +/-    3.38  0.030 / 0.040
G18     106.2          14.9                4.8 +/-    1.95      12.0 +/-    1.95  0.030 / 0.040
G23     161.0          11.7                3.9 +/-    4.09      10.4 +/-    4.09  0.350 / 0.470
G27     37.8           10.3                2.8 +/-    3.43       7.9 +/-    3.43  0.180 / 0.380
G28     270.6          50.8                4.0 +/-    0.96       5.0 +/-    0.96  0.180 / 0.360
G30     327.0          56.1                3.0 +/-    1.42       3.5 +/-    1.42  0.130 / 0.250