PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/22-01:12:50
G10     272.7          41.4               11.9 +/-    0.79      17.0 +/-    0.79  0.080 / 0.140
G13     39.8           14.2                6.2 +/-    2.22      15.7 +/-    2.22  0.070 / 0.130
G15     55.8           47.1                7.4 +/-    0.53       9.7 +/-    0.53  0.090 / 0.670
G16     272.9          10.4                8.9 +/-    2.44      24.6 +/-    2.44  0.110 / 0.640
G20     284.3          48.7                8.1 +/-    1.22      10.3 +/-    1.22  0.070 / 0.080
G21     13.8           74.5               10.2 +/-    0.47      10.5 +/-    0.47  0.050 / 0.090
G24     114.8          17.2               10.5 +/-    1.59      24.8 +/-    1.59  0.130 / 0.290
G27     316.1          22.6                7.7 +/-    1.73      15.8 +/-    1.73  0.100 / 0.290
G29     168.8          26.8               12.2 +/-    1.26      22.8 +/-    1.26  0.040 / 0.040
G32     204.6          15.4               16.4 +/-    3.37      40.4 +/-    3.37  0.040 / 0.050