PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/19-02:43:00
G08     291.1          22.1                9.7 +/-    0.88      20.4 +/-    0.88  0.050 / 0.090
G10     22.4           62.5               10.8 +/-    0.44      12.0 +/-    0.44  0.040 / 0.090
G14     234.1          50.4               12.3 +/-    1.93      15.4 +/-    1.93  0.070 / 0.120
G18     317.8          15.0                4.6 +/-    1.72      11.5 +/-    1.72  0.100 / 0.080
G20     72.2           49.6                9.9 +/-    1.31      12.6 +/-    1.31  0.110 / 0.130
G21     149.4          35.9               11.0 +/-    1.04      17.2 +/-    1.04  0.130 / 0.110
G24     52.0           23.3                7.2 +/-    2.53      14.7 +/-    2.53  0.200 / 0.280
G27     249.6          29.3               12.3 +/-    2.79      21.9 +/-    2.79  0.230 / 0.360
G31     181.9          11.9                8.2 +/-   16.69      22.0 +/-   16.69  0.030 / 0.030
G32     255.7          70.6               10.0 +/-    0.41      10.5 +/-    0.41  0.030 / 0.030