PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-17:27:40
G08     295.3          23.6                9.4 +/-    1.13      19.0 +/-    1.13  0.030 / 0.030
G10     0.5            62.7                8.2 +/-    0.46       9.2 +/-    0.46  0.040 / 0.030
G14     226.5          43.6               11.4 +/-    1.04      15.7 +/-    1.04  0.050 / 0.110
G20     60.0           54.2                8.9 +/-    0.85      10.7 +/-    0.85  0.060 / 0.090
G21     144.0          41.2               10.6 +/-    0.95      15.1 +/-    0.95  0.070 / 0.090
G24     55.9           24.1                8.7 +/-    1.40      17.3 +/-    1.40  0.070 / 0.100
G27     261.5          33.4                8.5 +/-    1.43      14.0 +/-    1.43  0.080 / 0.130
G32     238.4          63.8               11.5 +/-    0.52      12.6 +/-    0.52  0.090 / 0.130