PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-08:28:10
G07     48.5           68.9                3.8 +/-    0.46       4.0 +/-    0.46  0.030 / 0.030
G08     51.9           40.3                3.5 +/-    1.20       5.1 +/-    1.20  0.020 / 0.030
G09     177.5          38.1                6.5 +/-    1.05       9.7 +/-    1.05  0.090 / 0.220
G11     119.7          32.8                6.6 +/-    1.10      10.9 +/-    1.10  0.150 / 0.270
G17     199.0          14.2                2.2 +/-    2.51       5.6 +/-    2.51  0.070 / 0.070
G23     161.2          11.8                2.6 +/-    2.78       7.1 +/-    2.78  0.060 / 0.060
G28     272.8          51.7                5.2 +/-    1.25       6.5 +/-    1.25  0.040 / 0.060
G30     329.2          57.4                2.8 +/-    0.49       3.3 +/-    0.49  0.040 / 0.070