PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/01-05:27:40
G05     51.2           10.9                3.1 +/-    0.69       8.4 +/-    0.69  0.120 / 0.300
G10     239.9          16.4                5.1 +/-    0.74      12.3 +/-    0.74  0.090 / 0.330
G13     68.9           35.8                5.2 +/-    0.45       8.1 +/-    0.45  0.180 / 0.340
G15     113.7          55.3                6.5 +/-    0.39       7.7 +/-    0.39  0.130 / 0.330
G16     308.7          14.3                3.0 +/-    1.60       7.6 +/-    1.60  0.060 / 0.060
G20     280.5          69.1                4.2 +/-    0.41       4.5 +/-    0.41  0.040 / 0.050
G21     318.4          50.6                3.9 +/-    0.79       4.8 +/-    0.79  0.080 / 0.070
G26     280.3          20.0                3.3 +/-    1.70       7.3 +/-    1.70  0.080 / 0.120
G29     159.7          66.2                5.3 +/-    1.14       5.8 +/-    1.14  0.060 / 0.070