PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/29-00:57:40
G02     21.5           64.2                5.6 +/-    0.48       6.2 +/-    0.48  0.280 / 0.360
G05     152.2          51.5               12.1 +/-    0.75      15.0 +/-    0.75  0.230 / 0.530
G06     46.7           27.5                5.6 +/-    1.60      10.3 +/-    1.60  0.030 / 0.040
G12     249.0          78.7                7.0 +/-    0.91       7.1 +/-    0.91  0.030 / 0.030
G19     90.0           16.4                8.6 +/-    1.32      20.8 +/-    1.32  0.060 / 0.080
G24     215.3          10.6               11.8 +/-   16.15      32.5 +/-   16.15  0.060 / 0.070
G25     309.6          44.9                5.0 +/-    2.13       6.8 +/-    2.13  0.060 / 0.050
G29     300.2          22.9                7.2 +/-    1.40      14.8 +/-    1.40  0.060 / 0.050