PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/08-03:27:40
G08     290.6          22.2               10.0 +/-    0.86      20.9 +/-    0.86  0.110 / 0.130
G10     22.2           62.5                9.7 +/-    0.77      10.8 +/-    0.77  0.130 / 0.120
G14     234.2          50.7               12.6 +/-    2.11      15.8 +/-    2.11  0.040 / 0.030
G18     317.8          15.1                6.1 +/-    1.78      15.0 +/-    1.78  0.030 / 0.020
G20     72.3           49.5                8.7 +/-    1.85      11.1 +/-    1.85  0.050 / 0.070
G21     149.3          35.8               10.1 +/-    1.25      15.8 +/-    1.25  0.070 / 0.120
G24     51.9           23.2                6.5 +/-    2.41      13.2 +/-    2.41  0.080 / 0.090
G27     249.7          29.3               11.6 +/-    2.12      20.7 +/-    2.12  0.110 / 0.100
G31     181.9          11.8                4.8 +/-   20.25      13.0 +/-   20.25  0.110 / 0.190
G32     255.2          70.2                8.5 +/-    0.59       9.0 +/-    0.59  0.110 / 0.170