PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-02:57:50
G07     314.2          50.6                4.2 +/-    0.70       5.3 +/-    0.70  0.080 / 0.120
G08     121.1          44.6                7.0 +/-    0.80       9.5 +/-    0.80  0.080 / 0.130
G09     239.3          84.7                5.0 +/-    0.56       5.0 +/-    0.56  0.060 / 0.060
G16     43.2           17.2                1.8 +/-    4.40       4.2 +/-    4.40  0.050 / 0.060
G23     148.7          57.5                6.8 +/-    0.91       7.9 +/-    0.91  0.190 / 0.450
G27     71.9           36.6                6.1 +/-    0.89       9.4 +/-    0.89  0.150 / 0.410
G30     289.0          23.2                5.0 +/-    1.73      10.1 +/-    1.73  0.040 / 0.040