PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-04:42:30
G05     49.8           13.9                4.2 +/-    1.77      10.8 +/-    1.77  0.110 / 0.260
G10     237.5          13.7                9.3 +/-    2.64      23.8 +/-    2.64  0.090 / 0.290
G13     73.5           36.4                8.3 +/-    1.18      12.8 +/-    1.18  0.250 / 0.210
G15     120.6          53.5                8.6 +/-    0.32      10.4 +/-    0.32  0.090 / 0.180
G16     311.8          13.4                6.1 +/-    2.13      15.7 +/-    2.13  0.050 / 0.050
G20     264.4          62.3                8.9 +/-    0.69       9.9 +/-    0.69  0.070 / 0.070
G21     314.7          48.1                8.1 +/-    0.88      10.4 +/-    0.88  0.040 / 0.070
G26     284.0          20.6                9.0 +/-    1.55      19.5 +/-    1.55  0.030 / 0.040
G29     157.6          70.6                8.3 +/-    1.07       8.8 +/-    1.07  0.030 / 0.030