PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/01-23:28:00
G08     296.7          21.6                7.1 +/-    2.17      15.0 +/-    2.17  0.050 / 0.080
G10     12.0           62.7                7.7 +/-    0.85       8.5 +/-    0.85  0.040 / 0.090
G14     229.2          44.7                9.6 +/-    1.98      13.0 +/-    1.98  0.110 / 0.100
G18     317.9          10.5              -10.2 +/-   12.50     -28.3 +/-   12.50  0.080 / 0.130
G20     66.6           51.5                8.1 +/-    1.10      10.0 +/-    1.10  0.130 / 0.240
G21     147.1          41.1                7.6 +/-    0.74      10.9 +/-    0.74  0.110 / 0.190
G24     56.7           26.1                8.3 +/-    1.74      15.9 +/-    1.74  0.120 / 0.250
G27     254.3          32.0                6.9 +/-    2.70      11.6 +/-    2.70  0.030 / 0.030
G32     245.7          68.2                7.1 +/-    0.57       7.6 +/-    0.57  0.030 / 0.030