PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-16:27:50
G08     318.6          13.4                5.4 +/-    1.85      14.0 +/-    1.85  0.040 / 0.030
G10     308.1          55.2                5.6 +/-    1.01       6.7 +/-    1.01  0.040 / 0.050
G14     211.8          18.2                7.7 +/-    1.95      17.7 +/-    1.95  0.180 / 0.410
G15     45.7           23.6                4.7 +/-    0.64       9.5 +/-    0.64  0.130 / 0.450
G20     8.4            64.5                7.0 +/-    0.47       7.7 +/-    0.47  0.070 / 0.160
G21     116.0          66.5                7.1 +/-    0.74       7.7 +/-    0.74  0.080 / 0.150
G24     85.3           27.6                7.7 +/-    1.08      14.2 +/-    1.08  0.070 / 0.080
G27     295.5          35.2                7.8 +/-    1.30      12.3 +/-    1.30  0.070 / 0.070
G32     213.6          37.7                9.9 +/-    1.53      15.0 +/-    1.53  0.040 / 0.040