PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/26-22:57:50
G01     318.9          17.8                7.1 +/-    1.42      16.5 +/-    1.42  0.060 / 0.070
G08     256.5          13.2               13.4 +/-    1.26      34.9 +/-    1.26  0.050 / 0.090
G10     78.8           54.0               10.0 +/-    0.60      12.0 +/-    0.60  0.100 / 0.180
G11     302.7          23.7                8.1 +/-    3.40      16.3 +/-    3.40  0.130 / 0.220
G14     299.8          71.1                9.1 +/-    0.70       9.5 +/-    0.70  0.030 / 0.030
G18     101.9          28.6               10.7 +/-    0.80      19.4 +/-    0.80  0.050 / 0.030
G31     179.9          38.1               13.6 +/-    1.16      20.4 +/-    1.16  0.050 / 0.050
G32     0.4            68.9                9.2 +/-    0.62       9.8 +/-    0.62  0.050 / 0.050