PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-09:12:50
G01     304.3          35.9                4.5 +/-    2.14       7.0 +/-    2.14  0.090 / 0.120
G10     109.0          36.7                5.4 +/-    0.96       8.4 +/-    0.96  0.120 / 0.100
G11     277.8          27.8                3.1 +/-    1.72       5.7 +/-    1.72  0.080 / 0.110
G14     4.0            65.5                2.3 +/-    0.48       2.5 +/-    0.48  0.070 / 0.080
G18     270.0          50.8                6.2 +/-    8.16       7.8 +/-    8.16  0.050 / 0.050
G20     122.3          11.8                4.7 +/-    1.60      12.5 +/-    1.60  0.040 / 0.050
G22     311.7          31.0                3.9 +/-    1.16       6.6 +/-    1.16  0.040 / 0.030
G25     79.4           16.9                2.3 +/-    1.63       5.4 +/-    1.63  0.050 / 0.030
G31     162.9          67.9                5.1 +/-    0.58       5.5 +/-    0.58  0.040 / 0.050
G32     34.7           53.7                2.6 +/-    1.51       3.2 +/-    1.51  0.060 / 0.050