PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/15-00:28:00
G08     320.1          11.8                2.1 +/-   24.24       5.7 +/-   24.24  0.070 / 0.080
G10     305.1          54.2                8.5 +/-    0.58      10.2 +/-    0.58  0.070 / 0.090
G14     211.8          15.1               13.5 +/-    3.71      33.5 +/-    3.71  0.030 / 0.050
G15     45.9           26.9                5.5 +/-    1.38      10.3 +/-    1.38  0.030 / 0.050
G20     302.0          50.9                7.6 +/-    0.72       9.5 +/-    0.72  0.220 / 0.570
G21     108.9          71.9                9.8 +/-    1.10      10.3 +/-    1.10  0.180 / 0.520
G24     90.3           27.9                9.1 +/-    1.75      16.7 +/-    1.75  0.150 / 0.410
G27     295.1          35.9                9.2 +/-    0.81      14.4 +/-    0.81  0.110 / 0.350
G32     212.5          38.8               12.8 +/-    0.89      19.0 +/-    0.89  0.090 / 0.130