PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-00:12:50
G08     306.5          19.1               -1.7 +/-   32.18      -3.9 +/-   32.18  0.050 / 0.150
G10     351.6          62.1                5.6 +/-    0.61       6.2 +/-    0.61  0.070 / 0.150
G14     222.3          36.7               11.9 +/-    0.86      18.2 +/-    0.86  0.060 / 0.100
G20     52.0           56.7                7.3 +/-    0.40       8.6 +/-    0.40  0.060 / 0.080
G21     141.3          50.3                8.4 +/-    0.73      10.5 +/-    0.73  0.030 / 0.030
G24     66.0           29.2                7.0 +/-    0.32      12.5 +/-    0.32  0.030 / 0.030
G27     265.3          35.9               10.0 +/-    2.18      15.6 +/-    2.18  0.040 / 0.070
G32     230.7          59.6               11.0 +/-    0.69      12.6 +/-    0.69  0.040 / 0.070