PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-19:12:50
G08     316.9          14.4                7.9 +/-    1.68      19.9 +/-    1.68  0.050 / 0.090
G10     312.5          55.9                7.3 +/-    0.59       8.6 +/-    0.59  0.050 / 0.090
G14     213.5          22.1               12.8 +/-    0.61      26.9 +/-    0.61  0.060 / 0.150
G15     45.5           18.3                8.2 +/-    0.93      18.7 +/-    0.93  0.060 / 0.120
G18     22.9           62.8                7.8 +/-    0.61       8.6 +/-    0.61  0.160 / 0.380
G20     78.3           12.8               10.3 +/-    2.01      26.9 +/-    2.01  0.130 / 0.390
G21     122.5          62.2               12.8 +/-    0.51      14.2 +/-    0.51  0.030 / 0.050
G24     87.4           29.7               10.9 +/-    0.83      19.2 +/-    0.83  0.030 / 0.040
G27     286.5          37.8                8.2 +/-    1.67      12.4 +/-    1.67  0.040 / 0.060
G32     216.3          40.4               10.7 +/-    1.77      15.5 +/-    1.77  0.040 / 0.060