PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/06-03:57:30
G08     305.2          20.6                9.0 +/-    3.10      19.5 +/-    3.10  0.080 / 0.090
G10     342.8          61.4                7.9 +/-    0.53       8.9 +/-    0.53  0.070 / 0.100
G14     221.4          33.1               10.7 +/-    2.10      17.6 +/-    2.10  0.060 / 0.160
G20     31.4           62.9               12.6 +/-    0.37      13.9 +/-    0.37  0.060 / 0.180
G21     139.2          52.7                9.3 +/-    0.86      11.4 +/-    0.86  0.030 / 0.030
G24     66.8           28.8                5.2 +/-    0.44       9.3 +/-    0.44  0.030 / 0.030
G27     267.9          36.2               10.8 +/-    1.66      16.7 +/-    1.66  0.030 / 0.060
G32     228.9          59.5               12.0 +/-    0.78      13.6 +/-    0.78  0.030 / 0.060