PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-12:12:40
G01     117.8          18.8                4.8 +/-    1.16      10.8 +/-    1.16  0.040 / 0.030
G07     84.3           65.7                4.0 +/-    0.38       4.3 +/-    0.38  0.030 / 0.040
G08     43.9           28.7                1.4 +/-    0.89       2.5 +/-    0.89  0.090 / 0.430
G09     175.2          22.5                6.8 +/-    0.91      14.1 +/-    0.91  0.090 / 0.320
G11     103.4          40.4                5.0 +/-    1.05       7.3 +/-    1.05  0.050 / 0.080
G13     316.9          20.8                1.1 +/-    3.73       2.5 +/-    3.73  0.050 / 0.070
G17     201.6          27.0                3.4 +/-    1.13       6.3 +/-    1.13  0.040 / 0.060
G18     92.2           21.3                3.9 +/-    1.11       8.2 +/-    1.11  0.050 / 0.070
G28     294.9          57.8                4.8 +/-    1.52       5.6 +/-    1.52  0.090 / 0.130
G30     345.9          68.8                1.4 +/-    0.81       1.5 +/-    0.81  0.080 / 0.150