PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-23:57:40
G01     307.9          32.9                7.7 +/-    1.10      12.7 +/-    1.10  0.080 / 0.110
G10     105.4          40.0                9.4 +/-    0.75      13.6 +/-    0.75  0.070 / 0.150
G11     281.3          28.4                7.3 +/-    0.79      13.3 +/-    0.79  0.090 / 0.090
G14     354.5          67.4                6.3 +/-    0.41       6.7 +/-    0.41  0.080 / 0.110
G18     276.3          50.5               13.3 +/-    1.81      16.7 +/-    1.81  0.040 / 0.040
G20     120.0          14.6               10.1 +/-    1.71      25.4 +/-    1.71  0.040 / 0.040
G22     309.4          24.4                7.8 +/-    2.52      15.5 +/-    2.52  0.090 / 0.180
G25     79.9           15.7                6.4 +/-    3.24      15.6 +/-    3.24  0.110 / 0.150
G31     167.4          64.1                8.5 +/-    0.55       9.4 +/-    0.55  0.050 / 0.070
G32     36.2           52.4                7.2 +/-    1.04       8.8 +/-    1.04  0.050 / 0.060