PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/04-04:43:00
G08     288.5          22.7                7.5 +/-    0.69      15.5 +/-    0.69  0.070 / 0.100
G10     19.1           63.0                5.1 +/-    0.88       5.6 +/-    0.88  0.060 / 0.090
G14     234.4          48.0                8.5 +/-    1.73      11.0 +/-    1.73  0.100 / 0.110
G18     317.7          13.9                6.8 +/-    1.14      17.4 +/-    1.14  0.080 / 0.100
G20     64.4           55.4                7.2 +/-    0.73       8.6 +/-    0.73  0.060 / 0.070
G21     149.2          36.0                6.6 +/-    1.14      10.3 +/-    1.14  0.050 / 0.110
G24     50.9           22.3                4.9 +/-    3.35      10.1 +/-    3.35  0.070 / 0.130
G27     249.0          28.8                9.2 +/-    2.95      16.5 +/-    2.95  0.090 / 0.150
G31     181.3          12.6                6.4 +/-    1.71      16.9 +/-    1.71  0.240 / 0.300
G32     262.1          73.5                6.3 +/-    0.53       6.5 +/-    0.53  0.260 / 0.270