PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-14:12:50
G01     241.6          30.7                5.5 +/-    1.67       9.6 +/-    1.67  0.090 / 0.110
G03     312.5          56.2                5.7 +/-    1.66       6.7 +/-    1.66  0.070 / 0.100
G14     68.9           35.1                5.9 +/-    2.75       9.3 +/-    2.75  0.150 / 0.120
G16     162.7          23.0                7.4 +/-    0.85      15.1 +/-    0.85  0.090 / 0.170
G18     212.5          19.8                5.6 +/-    2.81      12.3 +/-    2.81  0.060 / 0.110
G22     276.4          76.3                6.3 +/-    0.42       6.4 +/-    0.42  0.060 / 0.130
G23     292.7          24.1                6.5 +/-    0.95      13.0 +/-    0.95  0.050 / 0.040
G26     132.7          43.7                8.8 +/-    0.41      12.1 +/-    0.41  0.050 / 0.050
G31     40.4           51.7                5.6 +/-    0.91       6.9 +/-    0.91  0.030 / 0.030
G32     81.9           21.9                6.0 +/-    1.75      12.6 +/-    1.75  0.030 / 0.030