PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/05-21:43:10
G07     351.4          63.7               10.4 +/-    0.31      11.5 +/-    0.31  0.060 / 0.110
G08     83.4           53.8               10.2 +/-    0.93      12.3 +/-    0.93  0.050 / 0.100
G09     184.2          62.2               12.2 +/-    1.03      13.6 +/-    1.03  0.090 / 0.130
G11     140.9          19.5               13.4 +/-    1.25      29.7 +/-    1.25  0.080 / 0.110
G23     157.8          27.9               13.1 +/-    1.85      24.0 +/-    1.85  0.030 / 0.030
G27     45.5           24.1                8.0 +/-    1.99      16.0 +/-    1.99  0.040 / 0.040
G28     247.9          38.8               11.4 +/-    0.91      16.9 +/-    0.91  0.130 / 0.250
G30     314.0          46.0               10.1 +/-    0.95      13.4 +/-    0.95  0.130 / 0.330