PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-16:27:50
G08     319.8          12.3                7.0 +/-    3.82      18.5 +/-    3.82  0.110 / 0.250
G10     305.1          54.4                7.4 +/-    1.12       8.8 +/-    1.12  0.190 / 0.260
G14     211.3          16.5               10.8 +/-    2.83      25.8 +/-    2.83  0.040 / 0.030
G15     45.8           25.3                6.2 +/-    1.85      12.1 +/-    1.85  0.060 / 0.030
G20     4.0            64.9                7.8 +/-    0.77       8.5 +/-    0.77  0.080 / 0.120
G21     112.4          68.0                9.4 +/-    0.79      10.1 +/-    0.79  0.070 / 0.130
G24     87.3           27.1                8.2 +/-    1.42      15.3 +/-    1.42  0.080 / 0.080
G27     297.6          34.6                6.6 +/-    4.41      10.6 +/-    4.41  0.130 / 0.090
G32     212.7          35.9                9.0 +/-    2.18      14.1 +/-    2.18  0.180 / 0.290