PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/30-15:27:30
G10     281.6          47.0                7.4 +/-    1.47       9.7 +/-    1.47  0.080 / 0.130
G15     49.0           36.1                5.7 +/-    0.41       8.9 +/-    0.41  0.080 / 0.130
G20     329.9          65.2                5.5 +/-    0.67       6.0 +/-    0.67  0.040 / 0.050
G21     45.7           76.6                7.3 +/-    0.71       7.5 +/-    0.71  0.040 / 0.050
G24     112.1          20.7                9.5 +/-    0.94      20.5 +/-    0.94  0.080 / 0.160
G27     312.1          27.5                7.1 +/-    0.98      13.0 +/-    0.98  0.070 / 0.160
G29     168.3          20.5                9.8 +/-    1.15      21.2 +/-    1.15  0.040 / 0.060
G32     205.6          21.2                7.9 +/-    0.75      16.8 +/-    0.75  0.040 / 0.050