PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/03-15:43:10
G10     264.9          37.4                8.7 +/-    1.47      13.3 +/-    1.47  0.130 / 0.350
G13     42.8           19.5                6.2 +/-    1.00      13.8 +/-    1.00  0.170 / 0.400
G15     62.9           51.8                8.7 +/-    0.66      10.8 +/-    0.66  0.040 / 0.050
G16     282.2          12.7                7.8 +/-    2.40      20.5 +/-    2.40  0.040 / 0.050
G20     293.9          59.4                9.4 +/-    1.04      10.8 +/-    1.04  0.110 / 0.340
G21     6.1            71.6                9.0 +/-    0.92       9.5 +/-    0.92  0.200 / 0.370
G24     117.8          13.5               10.9 +/-    1.56      28.1 +/-    1.56  0.050 / 0.100
G27     320.5          15.2                3.6 +/-    2.89       9.0 +/-    2.89  0.050 / 0.090
G29     166.7          32.3               11.5 +/-    1.35      19.2 +/-    1.35  0.140 / 0.360