PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/28-17:27:50
G08     315.3          16.1                7.4 +/-    2.16      17.9 +/-    2.16  0.100 / 0.260
G10     316.3          57.2                7.8 +/-    0.67       9.1 +/-    0.67  0.110 / 0.300
G14     213.6          22.7                9.7 +/-    1.08      20.1 +/-    1.08  0.050 / 0.080
G15     45.8           19.8                5.5 +/-    0.74      12.3 +/-    0.74  0.070 / 0.090
G20     19.3           63.4                6.7 +/-    0.39       7.3 +/-    0.39  0.040 / 0.060
G21     123.7          62.9                9.2 +/-    0.63      10.2 +/-    0.63  0.040 / 0.050
G24     79.8           28.2                7.2 +/-    0.55      13.1 +/-    0.55  0.210 / 0.300
G27     289.3          36.5                7.2 +/-    0.73      11.2 +/-    0.73  0.160 / 0.320
G32     216.3          42.9                8.9 +/-    0.98      12.4 +/-    0.98  0.060 / 0.120