PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/19-13:43:00
G01     281.9          42.0                4.4 +/-    5.29       6.2 +/-    5.29  0.070 / 0.060
G03     314.5          25.6                4.5 +/-    1.15       8.7 +/-    1.15  0.100 / 0.060
G10     124.3          22.6                7.5 +/-    1.54      15.5 +/-    1.54  0.090 / 0.080
G11     257.1          23.3                6.3 +/-    3.16      12.8 +/-    3.16  0.080 / 0.110
G14     34.1           54.5                6.3 +/-    1.47       7.5 +/-    1.47  0.050 / 0.040
G18     239.6          44.2                7.5 +/-    4.14      10.2 +/-    4.14  0.060 / 0.050
G22     315.2          47.9                4.4 +/-    0.82       5.6 +/-    0.82  0.060 / 0.060
G25     59.0           17.4                5.6 +/-    1.74      13.2 +/-    1.74  0.060 / 0.070
G31     101.1          80.6                5.2 +/-    0.74       5.3 +/-    0.74  0.070 / 0.060
G32     53.4           41.6                4.7 +/-    1.00       6.7 +/-    1.00  0.060 / 0.050