PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-10:57:30
G02     235.0          73.8                4.3 +/-    0.19       4.5 +/-    0.19  0.130 / 0.490
G05     175.9          10.7               -7.4 +/-   12.94     -20.2 +/-   12.94  0.160 / 0.400
G06     41.5           60.6                4.9 +/-    0.60       5.5 +/-    0.60  0.040 / 0.040
G12     321.9          51.4                4.3 +/-    0.54       5.4 +/-    0.54  0.040 / 0.040
G17     67.5           24.4                2.8 +/-    2.71       5.5 +/-    2.71  0.060 / 0.110
G19     54.9           38.7                3.8 +/-    1.67       5.6 +/-    1.67  0.060 / 0.100
G24     250.5          36.3                6.6 +/-    1.70      10.2 +/-    1.70  0.390 / 0.360
G28     129.0          10.6                5.9 +/-    3.02      16.1 +/-    3.02  0.250 / 0.580