PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-04:43:10
G05     50.0           13.5                1.5 +/-    1.10       4.0 +/-    1.10  0.120 / 0.290
G10     237.8          14.0                9.9 +/-    3.36      25.1 +/-    3.36  0.130 / 0.270
G13     72.9           36.3                6.0 +/-    0.48       9.2 +/-    0.48  0.090 / 0.190
G15     119.8          53.8                7.2 +/-    0.51       8.6 +/-    0.51  0.080 / 0.150
G16     311.4          13.5                5.8 +/-    2.12      14.9 +/-    2.12  0.160 / 0.340
G20     265.2          62.6                7.8 +/-    0.98       8.7 +/-    0.98  0.180 / 0.360
G21     315.2          48.4                6.4 +/-    0.95       8.3 +/-    0.95  0.050 / 0.060
G26     283.5          20.5                6.3 +/-    1.63      13.7 +/-    1.63  0.040 / 0.060
G29     157.9          70.1                7.5 +/-    1.32       7.9 +/-    1.32  0.050 / 0.040