PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-01:57:50
G08     316.1          15.2                6.4 +/-    3.20      15.9 +/-    3.20  0.040 / 0.050
G10     312.1          55.8                8.1 +/-    0.92       9.6 +/-    0.92  0.040 / 0.050
G14     213.4          23.1               13.6 +/-    3.02      27.7 +/-    3.02  0.030 / 0.050
G15     45.6           21.2                6.1 +/-    1.47      13.1 +/-    1.47  0.040 / 0.040
G18     17.5           63.8                8.2 +/-    0.61       9.1 +/-    0.61  0.100 / 0.320
G20     79.2           10.4                6.5 +/-    1.97      18.1 +/-    1.97  0.120 / 0.300
G21     120.6          66.2                9.8 +/-    0.59      10.6 +/-    0.59  0.080 / 0.110
G24     87.5           29.7                9.5 +/-    1.18      16.7 +/-    1.18  0.070 / 0.100
G27     286.2          37.9                8.8 +/-    1.32      13.3 +/-    1.32  0.060 / 0.080
G32     216.2          41.0               12.4 +/-    1.13      17.8 +/-    1.13  0.070 / 0.090