PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/27-22:12:40
G08     303.9          21.6                6.3 +/-    2.04      13.4 +/-    2.04  0.070 / 0.090
G10     342.5          61.4                7.8 +/-    0.70       8.8 +/-    0.70  0.070 / 0.080
G14     220.9          34.9               13.9 +/-    1.74      22.1 +/-    1.74  0.060 / 0.150
G15     47.8           10.7                7.7 +/-    1.30      21.1 +/-    1.30  0.110 / 0.150
G20     46.6           58.3                9.5 +/-    0.50      11.0 +/-    0.50  0.040 / 0.050
G21     138.8          52.0               11.8 +/-    1.00      14.5 +/-    1.00  0.040 / 0.070
G24     65.6           27.9                7.6 +/-    0.73      13.9 +/-    0.73  0.110 / 0.220
G27     269.9          36.2               12.2 +/-    1.81      18.9 +/-    1.81  0.090 / 0.210
G32     228.1          58.1               12.7 +/-    1.13      14.7 +/-    1.13  0.050 / 0.100