PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-15:27:40
G05     47.7           21.0                4.4 +/-    0.72       9.5 +/-    0.72  0.050 / 0.060
G10     234.9          11.4                2.4 +/-   32.97       6.5 +/-   32.97  0.050 / 0.060
G13     78.0           36.1                8.1 +/-    0.70      12.6 +/-    0.70  0.150 / 0.480
G15     131.0          50.6               10.1 +/-    0.80      12.7 +/-    0.80  0.150 / 0.510
G16     316.3          11.3                5.3 +/-    3.82      14.4 +/-    3.82  0.080 / 0.160
G20     246.4          35.5                9.3 +/-    1.43      14.7 +/-    1.43  0.070 / 0.160
G21     313.1          47.2                6.8 +/-    1.56       8.8 +/-    1.56  0.070 / 0.100
G26     291.1          19.8                9.2 +/-    1.57      20.4 +/-    1.57  0.060 / 0.130
G29     151.9          73.9                8.6 +/-    0.50       8.9 +/-    0.50  0.040 / 0.050