PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-16:12:40
G10     276.9          44.9               23.6 +/-    1.16      31.8 +/-    1.16  0.090 / 0.120
G13     38.4           10.8                6.4 +/-    8.89      17.7 +/-    8.89  0.080 / 0.110
G15     51.1           39.8                6.5 +/-    1.31       9.4 +/-    1.31  0.080 / 0.120
G20     320.2          64.4                7.9 +/-    1.02       8.6 +/-    1.02  0.090 / 0.130
G21     28.8           75.6                8.8 +/-    1.01       9.0 +/-    1.01  0.050 / 0.040
G24     115.5          18.7               10.6 +/-    1.41      24.0 +/-    1.41  0.050 / 0.040
G27     314.6          24.8                5.9 +/-    1.86      11.5 +/-    1.86  0.060 / 0.040
G29     168.2          24.2                9.5 +/-    1.96      18.9 +/-    1.96  0.090 / 0.060
G32     204.8          17.6               11.0 +/-    1.65      25.7 +/-    1.65  0.100 / 0.350