PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/14-00:27:50
G08     268.0          19.1                7.5 +/-    1.85      16.8 +/-    1.85  0.190 / 0.320
G10     57.7           58.9                8.7 +/-    0.37      10.0 +/-    0.37  0.120 / 0.310
G11     312.4          16.5               -4.7 +/-   15.14     -11.2 +/-   15.14  0.100 / 0.300
G14     261.3          64.3                6.8 +/-    0.55       7.5 +/-    0.55  0.090 / 0.270
G18     313.1          30.9                7.8 +/-    2.75      13.5 +/-    2.75  0.110 / 0.280
G20     93.3           38.0                8.4 +/-    0.66      12.7 +/-    0.66  0.090 / 0.290
G21     154.5          17.4                9.8 +/-    2.51      22.9 +/-    2.51  0.050 / 0.070
G27     234.2          17.5               11.4 +/-    1.70      26.6 +/-    1.70  0.040 / 0.050
G31     178.2          28.8               11.4 +/-    1.20      20.5 +/-    1.20  0.030 / 0.030
G32     336.4          74.9                8.0 +/-    0.81       8.2 +/-    0.81  0.030 / 0.040