PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/08-04:43:10
G05     48.7           16.5                2.5 +/-    0.79       5.9 +/-    0.79  0.190 / 0.350
G10     235.4          11.2              -11.8 +/-   25.83     -32.0 +/-   25.83  0.190 / 0.330
G13     77.7           36.6                7.6 +/-    0.65      11.7 +/-    0.65  0.030 / 0.040
G15     125.6          51.5                7.6 +/-    0.46       9.4 +/-    0.46  0.040 / 0.050
G16     314.7          12.3                2.0 +/-    6.35       5.4 +/-    6.35  0.070 / 0.060
G20     259.7          61.1                6.9 +/-    0.98       7.7 +/-    0.98  0.070 / 0.070
G21     311.7          46.0                5.3 +/-    1.06       7.0 +/-    1.06  0.060 / 0.080
G25     200.7          12.1                6.0 +/-    2.10      16.0 +/-    2.10  0.070 / 0.100
G26     287.4          20.9                3.8 +/-    1.26       8.2 +/-    1.26  0.090 / 0.120
G29     155.0          74.3                7.1 +/-    0.70       7.3 +/-    0.70  0.090 / 0.240