PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-04:43:10
G01     316.5          23.1                5.7 +/-    2.72      11.6 +/-    2.72  0.220 / 0.440
G10     89.3           49.3                6.6 +/-    0.86       8.4 +/-    0.86  0.140 / 0.340
G11     296.6          25.8                8.3 +/-    2.37      15.9 +/-    2.37  0.040 / 0.060
G14     311.2          70.4                6.6 +/-    1.25       7.0 +/-    1.25  0.040 / 0.060
G18     297.9          44.5                8.9 +/-    0.79      12.1 +/-    0.79  0.040 / 0.050
G20     104.1          42.3                9.2 +/-    1.55      12.9 +/-    1.55  0.030 / 0.050
G22     304.1          15.5                4.4 +/-    3.14      10.8 +/-    3.14  0.090 / 0.240
G31     171.7          51.1                9.6 +/-    1.18      11.9 +/-    1.18  0.110 / 0.220
G32     21.8           61.4                5.5 +/-    0.42       6.1 +/-    0.42  0.110 / 0.150