PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-05:13:00
G07     49.6           69.1                3.7 +/-    0.40       4.0 +/-    0.40  0.040 / 0.050
G08     51.0           39.2                4.4 +/-    1.31       6.4 +/-    1.31  0.030 / 0.040
G09     175.5          35.5                7.0 +/-    1.10      11.0 +/-    1.10  0.030 / 0.050
G11     119.0          34.3                6.2 +/-    0.57      10.0 +/-    0.57  0.030 / 0.030
G17     198.6          14.6                2.1 +/-    1.84       5.3 +/-    1.84  0.200 / 0.380
G18     103.5          15.4                5.9 +/-    0.63      14.6 +/-    0.63  0.260 / 0.390
G23     161.4          11.8                3.0 +/-    2.97       8.1 +/-    2.97  0.150 / 0.220
G27     38.0           11.0                2.5 +/-    1.82       6.9 +/-    1.82  0.170 / 0.240
G28     270.5          50.2                3.3 +/-    0.84       4.1 +/-    0.84  0.090 / 0.170
G30     328.0          57.1                2.5 +/-    0.80       2.9 +/-    0.80  0.090 / 0.210