PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-08:28:00
G10     258.5          33.7                4.2 +/-    1.91       6.9 +/-    1.91  0.040 / 0.030
G13     46.4           23.8                3.6 +/-    2.67       7.3 +/-    2.67  0.040 / 0.030
G15     69.1           53.5                5.7 +/-    0.59       6.9 +/-    0.59  0.050 / 0.080
G16     293.0          13.1                2.1 +/-    1.53       5.4 +/-    1.53  0.060 / 0.080
G20     283.2          56.3                3.9 +/-    2.49       4.5 +/-    2.49  0.220 / 0.290
G21     354.2          68.1                4.6 +/-    0.32       4.9 +/-    0.32  0.110 / 0.280
G24     125.6          9.6               -16.3 +/-   11.72     -45.8 +/-   11.72  0.120 / 0.260
G26     264.5          11.7                3.4 +/-   12.67       9.2 +/-   12.67  0.070 / 0.280
G29     163.4          35.0                6.6 +/-    0.77      10.4 +/-    0.77  0.110 / 0.230