PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/16-00:42:40
G08     295.0          21.4                8.1 +/-    2.05      17.2 +/-    2.05  0.080 / 0.080
G10     17.3           62.6                7.6 +/-    0.40       8.4 +/-    0.40  0.070 / 0.080
G14     231.5          47.5               11.0 +/-    1.22      14.3 +/-    1.22  0.110 / 0.140
G18     317.9          12.7                7.0 +/-    3.57      18.4 +/-    3.57  0.080 / 0.130
G20     69.5           50.5                9.8 +/-    0.44      12.3 +/-    0.44  0.040 / 0.030
G21     148.3          38.6               11.0 +/-    1.55      16.4 +/-    1.55  0.030 / 0.030
G24     54.3           24.8                7.4 +/-    0.69      14.6 +/-    0.69  0.050 / 0.110
G27     251.8          30.7               10.4 +/-    1.25      18.0 +/-    1.25  0.050 / 0.110
G32     250.7          69.7               11.5 +/-    0.76      12.2 +/-    0.76  0.090 / 0.210