PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/25-03:13:10
G08     289.0          23.1                8.0 +/-    1.26      16.4 +/-    1.26  0.070 / 0.130
G10     16.1           63.0                7.9 +/-    0.71       8.8 +/-    0.71  0.080 / 0.120
G14     233.1          47.7               12.5 +/-    1.40      16.3 +/-    1.40  0.090 / 0.090
G18     317.7          12.9                5.8 +/-    1.90      15.1 +/-    1.90  0.060 / 0.090
G20     40.8           64.0               10.4 +/-    0.49      11.5 +/-    0.49  0.110 / 0.110
G21     148.6          37.5                9.2 +/-    0.88      13.9 +/-    0.88  0.090 / 0.120
G24     51.8           22.8                6.6 +/-    0.40      13.5 +/-    0.40  0.040 / 0.030
G27     250.5          29.6               10.8 +/-    1.30      19.1 +/-    1.30  0.030 / 0.030
G31     181.7          11.3                0.0 +/-   24.51       0.0 +/-   24.51  0.050 / 0.090
G32     257.8          72.6                9.5 +/-    0.62       9.9 +/-    0.62  0.050 / 0.110