PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-16:43:00
G08     315.3          16.2                6.3 +/-    3.59      15.3 +/-    3.59  0.220 / 0.210
G10     316.4          57.2                7.8 +/-    1.11       9.1 +/-    1.11  0.230 / 0.260
G14     213.6          22.8                9.6 +/-    0.91      19.8 +/-    0.91  0.040 / 0.030
G15     45.8           19.4                6.1 +/-    2.17      13.7 +/-    2.17  0.040 / 0.050
G20     19.4           63.4                9.1 +/-    1.14      10.0 +/-    1.14  0.120 / 0.090
G21     123.9          62.4                9.1 +/-    0.50      10.1 +/-    0.50  0.290 / 0.320
G24     79.5           28.1                8.1 +/-    0.97      14.8 +/-    0.97  0.060 / 0.080
G27     289.5          36.4               11.1 +/-    1.73      17.2 +/-    1.73  0.080 / 0.070
G32     216.4          42.6                9.1 +/-    0.99      12.6 +/-    0.99  0.290 / 0.290