PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-16:57:30
G05     49.1           17.3                6.3 +/-    1.15      14.8 +/-    1.15  0.080 / 0.170
G10     237.0          12.5                9.5 +/-    4.46      25.1 +/-    4.46  0.090 / 0.180
G13     75.8           37.2                8.6 +/-    0.92      13.1 +/-    0.92  0.070 / 0.070
G15     120.5          52.9               11.4 +/-    0.75      13.9 +/-    0.75  0.050 / 0.070
G18     247.2          44.4               10.0 +/-    0.66      13.6 +/-    0.66  0.150 / 0.250
G20     26.6           66.7                9.0 +/-    0.77       9.8 +/-    0.77  0.120 / 0.230
G21     317.3          50.7                8.8 +/-    0.80      10.9 +/-    0.80  0.040 / 0.050
G26     290.2          19.1                8.2 +/-    1.78      18.5 +/-    1.78  0.050 / 0.060
G29     153.0          64.5               11.1 +/-    0.81      12.1 +/-    0.81  0.050 / 0.120