PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/24-05:57:50
G01     117.1          19.3                6.3 +/-    1.43      14.2 +/-    1.43  0.050 / 0.040
G07     86.9           64.6                5.6 +/-    0.95       6.1 +/-    0.95  0.060 / 0.050
G08     44.0           28.9                3.6 +/-    2.03       6.5 +/-    2.03  0.040 / 0.030
G09     176.7          24.0                5.4 +/-    1.62      10.9 +/-    1.62  0.040 / 0.030
G11     103.9          40.0                7.0 +/-    0.97      10.2 +/-    0.97  0.130 / 0.080
G13     317.4          19.7                2.8 +/-    1.32       6.3 +/-    1.32  0.100 / 0.110
G17     201.9          28.2                6.8 +/-    1.45      12.3 +/-    1.45  0.120 / 0.130
G28     298.0          58.5                3.6 +/-    0.63       4.1 +/-    0.63  0.080 / 0.110
G30     353.2          70.8                4.6 +/-    0.61       4.8 +/-    0.61  0.140 / 0.140