PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/08-04:58:00
G05     51.0           11.5                2.6 +/-    2.03       7.1 +/-    2.03  0.090 / 0.280
G10     239.5          16.0                7.2 +/-    0.95      17.4 +/-    0.95  0.090 / 0.310
G13     69.6           35.9                5.9 +/-    0.69       9.3 +/-    0.69  0.060 / 0.060
G15     115.2          55.1                6.5 +/-    0.48       7.7 +/-    0.48  0.070 / 0.070
G16     309.1          14.2                2.2 +/-    1.78       5.6 +/-    1.78  0.110 / 0.340
G20     272.0          65.3                3.5 +/-    0.56       3.8 +/-    0.56  0.180 / 0.370
G21     317.7          50.1                5.2 +/-    0.57       6.6 +/-    0.57  0.090 / 0.190
G26     280.9          20.1                3.5 +/-    1.83       7.7 +/-    1.83  0.090 / 0.200
G29     159.5          67.0                5.3 +/-    1.46       5.7 +/-    1.46  0.040 / 0.050