PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/11-16:28:10
G08     317.1          14.7                4.5 +/-    1.48      11.2 +/-    1.48  0.030 / 0.040
G10     311.9          56.2                5.7 +/-    0.79       6.7 +/-    0.79  0.030 / 0.040
G14     212.6          20.4                9.9 +/-    2.75      21.7 +/-    2.75  0.040 / 0.040
G15     45.7           21.6                4.2 +/-    1.26       8.9 +/-    1.26  0.040 / 0.030
G20     13.6           64.1                7.4 +/-    0.41       8.1 +/-    0.41  0.130 / 0.400
G21     120.0          64.5                8.8 +/-    0.83       9.6 +/-    0.83  0.140 / 0.330
G24     82.7           27.9                6.8 +/-    0.60      12.4 +/-    0.60  0.060 / 0.110
G27     292.8          35.8                7.1 +/-    1.07      11.1 +/-    1.07  0.060 / 0.130
G32     214.9          39.9               12.6 +/-    1.83      18.3 +/-    1.83  0.060 / 0.090