PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-05:27:40
G07     340.6          60.9                5.1 +/-    0.48       5.8 +/-    0.48  0.060 / 0.090
G08     95.0           52.6                7.4 +/-    0.72       9.0 +/-    0.72  0.080 / 0.110
G09     182.4          68.5                6.4 +/-    0.37       6.8 +/-    0.37  0.090 / 0.090
G11     145.2          15.9                7.0 +/-    2.90      17.2 +/-    2.90  0.120 / 0.090
G23     156.4          37.4                7.1 +/-    0.97      10.7 +/-    0.97  0.230 / 0.340
G27     52.2           29.8                4.8 +/-    1.42       8.4 +/-    1.42  0.270 / 0.320
G28     237.7          25.1                6.7 +/-    1.85      13.0 +/-    1.85  0.030 / 0.030
G30     303.3          35.6                3.9 +/-    0.96       6.1 +/-    0.96  0.030 / 0.030