PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-14:58:00
G05     48.2           19.6                6.1 +/-    1.88      13.5 +/-    1.88  0.360 / 0.520
G10     235.6          12.3                6.7 +/-    4.56      17.7 +/-    4.56  0.270 / 0.530
G13     76.4           36.1                8.3 +/-    0.83      12.9 +/-    0.83  0.050 / 0.070
G15     128.7          51.6                9.2 +/-    0.79      11.3 +/-    0.79  0.070 / 0.060
G16     315.5          11.6                2.5 +/-   14.16       6.8 +/-   14.16  0.160 / 0.190
G20     247.5          36.4                9.7 +/-    1.79      14.9 +/-    1.79  0.130 / 0.130
G21     314.7          48.3                7.6 +/-    0.64       9.8 +/-    0.64  0.020 / 0.020
G26     290.1          19.7                6.4 +/-    0.89      14.2 +/-    0.89  0.030 / 0.020
G29     152.9          72.2               10.3 +/-    0.43      10.7 +/-    0.43  0.060 / 0.090