PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/17-00:27:50
G01     307.6          34.3                7.4 +/-    2.09      11.8 +/-    2.09  0.080 / 0.150
G10     104.8          39.1                8.0 +/-    0.48      11.9 +/-    0.48  0.080 / 0.150
G11     284.9          26.7                7.7 +/-    1.14      14.5 +/-    1.14  0.060 / 0.120
G14     346.6          68.4                6.1 +/-    0.60       6.5 +/-    0.60  0.060 / 0.100
G18     278.8          50.1                7.7 +/-    1.37       9.7 +/-    1.37  0.050 / 0.050
G20     120.0          14.0                8.0 +/-    1.17      20.3 +/-    1.17  0.050 / 0.040
G22     309.3          23.2                5.7 +/-    1.17      11.5 +/-    1.17  0.060 / 0.190
G25     84.8           15.8                6.1 +/-    0.73      14.9 +/-    0.73  0.060 / 0.240
G31     164.5          64.3                8.7 +/-    1.51       9.6 +/-    1.51  0.040 / 0.070
G32     34.9           53.3                6.4 +/-    0.64       7.8 +/-    0.64  0.040 / 0.070