PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/05-09:12:30
G10     258.5          33.6                3.9 +/-    1.63       6.4 +/-    1.63  0.050 / 0.090
G13     46.5           23.8                3.3 +/-    1.77       6.6 +/-    1.77  0.080 / 0.090
G15     69.3           53.6                4.4 +/-    0.47       5.4 +/-    0.47  0.120 / 0.310
G16     292.4          13.3                2.6 +/-    1.51       6.8 +/-    1.51  0.120 / 0.250
G20     283.2          56.3                4.2 +/-    2.44       5.0 +/-    2.44  0.040 / 0.030
G21     355.5          68.4                4.1 +/-    1.26       4.4 +/-    1.26  0.040 / 0.030
G26     265.0          11.7                5.6 +/-    1.04      15.0 +/-    1.04  0.060 / 0.140
G29     163.6          35.6                6.9 +/-    0.73      10.9 +/-    0.73  0.090 / 0.220