PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-18:12:40
G08     317.9          14.0                7.0 +/-    3.17      17.7 +/-    3.17  0.030 / 0.030
G10     309.9          55.6                7.5 +/-    1.44       8.9 +/-    1.44  0.030 / 0.030
G14     212.3          19.1                9.8 +/-    2.20      22.1 +/-    2.20  0.400 / 0.590
G15     45.7           23.5                6.3 +/-    2.04      12.8 +/-    2.04  0.170 / 0.390
G20     11.0           64.3                8.1 +/-    0.87       8.9 +/-    0.87  0.110 / 0.410
G21     117.4          66.7               10.5 +/-    0.80      11.4 +/-    0.80  0.100 / 0.280
G24     84.5           27.9                7.8 +/-    1.76      14.4 +/-    1.76  0.060 / 0.100
G27     293.6          35.8                7.1 +/-    2.09      11.2 +/-    2.09  0.080 / 0.100
G32     214.2          39.5                9.3 +/-    1.03      13.7 +/-    1.03  0.100 / 0.190