PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-16:57:40
G10     257.6          32.6               13.4 +/-    3.00      22.3 +/-    3.00  0.050 / 0.040
G13     47.1           24.7                9.2 +/-    0.68      18.0 +/-    0.68  0.050 / 0.060
G15     75.1           56.7                9.7 +/-    0.40      11.3 +/-    0.40  0.110 / 0.400
G16     288.5          14.5                6.8 +/-    1.96      17.2 +/-    1.96  0.100 / 0.420
G20     281.4          55.6               12.7 +/-    1.00      15.0 +/-    1.00  0.060 / 0.200
G21     348.4          66.7                9.2 +/-    0.63       9.9 +/-    0.63  0.070 / 0.170
G26     262.1          12.2                8.6 +/-   17.04      22.8 +/-   17.04  0.030 / 0.040
G29     165.9          40.7               12.6 +/-    0.78      18.2 +/-    0.78  0.030 / 0.050