PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/23-01:27:40
G01     318.9          19.5                7.3 +/-    1.26      16.2 +/-    1.26  0.160 / 0.300
G08     261.6          13.5               10.3 +/-    1.74      26.5 +/-    1.74  0.110 / 0.240
G10     80.7           51.6               10.1 +/-    0.68      12.5 +/-    0.68  0.040 / 0.030
G11     304.0          22.1                8.4 +/-    2.01      17.6 +/-    2.01  0.040 / 0.060
G14     291.6          70.0                9.5 +/-    0.51      10.0 +/-    0.51  0.060 / 0.080
G18     304.6          41.0                8.9 +/-    1.42      12.7 +/-    1.42  0.050 / 0.080
G20     105.7          28.7               10.5 +/-    0.79      19.0 +/-    0.79  0.130 / 0.250
G31     174.4          43.0               12.0 +/-    1.20      16.7 +/-    1.20  0.110 / 0.320
G32     6.8            67.8                8.2 +/-    0.40       8.7 +/-    0.40  0.030 / 0.020