PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-11:42:10
G02     239.1          74.9                3.5 +/-    0.66       3.7 +/-    0.66  0.320 / 0.710
G05     174.8          12.5                1.8 +/-    6.35       4.7 +/-    6.35  0.350 / 0.470
G06     40.8           58.7                4.8 +/-    0.61       5.5 +/-    0.61  0.060 / 0.050
G12     321.8          52.8                3.6 +/-    0.60       4.4 +/-    0.60  0.050 / 0.050
G17     68.9           23.6                3.0 +/-    1.65       6.1 +/-    1.65  0.050 / 0.030
G19     56.7           37.5                2.8 +/-    0.98       4.3 +/-    0.98  0.040 / 0.030
G24     248.4          35.3                5.5 +/-    1.93       8.7 +/-    1.93  0.070 / 0.110