PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/07-01:28:10
G01     318.6          19.3                7.6 +/-    1.80      17.0 +/-    1.80  0.140 / 0.230
G08     254.8          12.3                9.8 +/-    0.83      26.0 +/-    0.83  0.170 / 0.320
G10     82.5           52.0                9.0 +/-    0.69      11.0 +/-    0.69  0.140 / 0.390
G11     300.9          24.3                8.6 +/-    1.52      17.0 +/-    1.52  0.150 / 0.410
G14     299.4          70.5                9.0 +/-    0.74       9.5 +/-    0.74  0.040 / 0.060
G18     302.5          42.2                8.6 +/-    0.98      12.1 +/-    0.98  0.040 / 0.060
G20     106.7          28.0                7.9 +/-    0.88      14.4 +/-    0.88  0.180 / 0.380
G22     301.5          11.2                2.1 +/-   12.40       5.7 +/-   12.40  0.180 / 0.390
G31     174.7          44.7               11.9 +/-    1.22      16.0 +/-    1.22  0.080 / 0.190
G32     13.4           65.4                6.9 +/-    0.46       7.5 +/-    0.46  0.080 / 0.230