PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/02-03:58:10
G01     318.1          20.2                7.5 +/-    2.62      16.5 +/-    2.62  0.140 / 0.320
G08     254.3          11.8               10.7 +/-    3.14      28.8 +/-    3.14  0.150 / 0.260
G10     84.1           51.5                6.9 +/-    1.50       8.6 +/-    1.50  0.040 / 0.060
G11     300.1          24.6                8.5 +/-    1.83      16.7 +/-    1.83  0.050 / 0.060
G14     300.7          70.2                6.6 +/-    0.73       6.9 +/-    0.73  0.090 / 0.180
G18     301.9          42.3                7.6 +/-    0.77      10.6 +/-    0.77  0.100 / 0.240
G20     97.0           50.0               18.3 +/-    2.94      23.1 +/-    2.94  0.030 / 0.040
G22     302.2          12.4                6.4 +/-    2.96      16.9 +/-    2.96  0.030 / 0.050
G31     173.0          47.0                9.1 +/-    1.55      11.9 +/-    1.55  0.160 / 0.310
G32     16.4           64.2                4.0 +/-    0.76       4.4 +/-    0.76  0.160 / 0.250