PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-04:12:50
G08     266.3          16.6                7.1 +/-    1.42      17.1 +/-    1.42  0.170 / 0.370
G10     69.8           55.3                4.2 +/-    0.87       4.9 +/-    0.87  0.210 / 0.440
G11     309.0          19.2                3.7 +/-    1.80       8.3 +/-    1.80  0.030 / 0.030
G14     275.0          68.2                4.5 +/-    0.78       4.8 +/-    0.78  0.030 / 0.030
G18     309.9          36.0                4.3 +/-    0.87       6.7 +/-    0.87  0.260 / 0.360
G20     99.3           34.2                5.3 +/-    1.33       8.6 +/-    1.33  0.200 / 0.420
G21     155.8          12.2                3.5 +/-    2.07       9.2 +/-    2.07  0.060 / 0.050
G27     229.4          13.7                6.1 +/-    2.11      15.8 +/-    2.11  0.060 / 0.050
G31     176.3          35.5                4.3 +/-    1.63       6.8 +/-    1.63  0.070 / 0.100
G32     345.8          72.8                4.8 +/-    0.41       5.0 +/-    0.41  0.090 / 0.100