PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/20-09:12:50
G10     259.5          33.1                5.0 +/-    2.48       8.2 +/-    2.48  0.100 / 0.410
G13     46.2           24.2                3.1 +/-    2.29       6.1 +/-    2.29  0.130 / 0.380
G15     67.2           52.5                4.0 +/-    0.87       4.9 +/-    0.87  0.120 / 0.250
G16     286.4          13.9                4.6 +/-    0.96      11.7 +/-    0.96  0.120 / 0.290
G20     39.6           52.6                3.5 +/-    1.11       4.2 +/-    1.11  0.040 / 0.040
G21     350.2          67.7                3.4 +/-    0.76       3.7 +/-    0.76  0.040 / 0.050
G24     126.6          9.8               -12.7 +/-   23.04     -35.5 +/-   23.04  0.030 / 0.040
G26     258.3          11.2                6.4 +/-    1.69      17.4 +/-    1.69  0.040 / 0.030
G27     321.0          13.8                1.6 +/-    1.31       4.0 +/-    1.31  0.210 / 0.190
G29     166.7          38.3                5.7 +/-    1.03       8.5 +/-    1.03  0.250 / 0.400