PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-06:27:30
G01     118.2          18.5                8.0 +/-    1.22      18.3 +/-    1.22  0.040 / 0.050
G07     84.3           65.1                6.3 +/-    0.45       6.9 +/-    0.45  0.040 / 0.040
G08     44.4           29.8                3.8 +/-    1.54       6.7 +/-    1.54  0.030 / 0.030
G09     176.8          25.0                7.4 +/-    2.15      14.5 +/-    2.15  0.030 / 0.030
G11     105.2          39.5                8.9 +/-    0.55      13.0 +/-    0.55  0.080 / 0.070
G13     318.0          18.7                4.2 +/-    1.94       9.5 +/-    1.94  0.090 / 0.160
G17     201.5          27.1                7.5 +/-    1.67      13.9 +/-    1.67  0.100 / 0.110
G28     295.7          58.0                5.8 +/-    1.14       6.7 +/-    1.14  0.120 / 0.200
G30     350.0          69.6                5.8 +/-    0.75       6.1 +/-    0.75  0.120 / 0.140