PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-06:27:50
G08     270.1          18.9                7.7 +/-    1.35      17.4 +/-    1.35  0.080 / 0.210
G10     59.8           57.9                4.4 +/-    0.35       5.1 +/-    0.35  0.110 / 0.210
G14     262.8          65.7                6.8 +/-    0.58       7.4 +/-    0.58  0.050 / 0.050
G18     313.0          31.7                5.0 +/-    2.15       8.5 +/-    2.15  0.060 / 0.070
G20     93.9           37.7                4.8 +/-    0.57       7.2 +/-    0.57  0.160 / 0.300
G21     154.7          16.9                4.5 +/-    2.50      10.6 +/-    2.50  0.150 / 0.240
G24     40.4           10.8                2.8 +/-    2.28       7.7 +/-    2.28  0.030 / 0.040
G27     234.0          17.5                6.6 +/-    1.77      15.4 +/-    1.77  0.040 / 0.030
G31     178.1          29.1                7.4 +/-    1.12      13.1 +/-    1.12  0.210 / 0.340
G32     320.2          75.0                5.9 +/-    0.85       6.1 +/-    0.85  0.250 / 0.390