PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/03-12:43:00
G01     117.3          19.2                6.9 +/-    1.06      15.5 +/-    1.06  0.040 / 0.040
G07     85.7           65.4                5.6 +/-    0.52       6.1 +/-    0.52  0.030 / 0.030
G08     43.8           28.5                4.5 +/-    0.64       8.2 +/-    0.64  0.130 / 0.210
G09     175.3          22.1                6.9 +/-    0.65      14.4 +/-    0.65  0.130 / 0.220
G11     102.9          40.6                7.5 +/-    1.17      10.9 +/-    1.17  0.050 / 0.050
G13     316.6          21.2                0.6 +/-    1.47       1.3 +/-    1.47  0.040 / 0.050
G17     201.9          27.3                5.0 +/-    1.14       9.2 +/-    1.14  0.060 / 0.090
G18     91.6           21.5                5.9 +/-    1.41      12.4 +/-    1.41  0.050 / 0.080
G28     296.1          58.0                3.7 +/-    1.37       4.2 +/-    1.37  0.030 / 0.040
G30     347.4          69.4                3.7 +/-    1.46       3.9 +/-    1.46  0.020 / 0.040