PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-04:57:40
G07     333.4          58.6                4.7 +/-    0.88       5.4 +/-    0.88  0.080 / 0.110
G08     102.3          51.6                7.9 +/-    1.69       9.7 +/-    1.69  0.070 / 0.130
G09     185.5          73.1                7.7 +/-    1.24       8.0 +/-    1.24  0.110 / 0.450
G11     148.0          13.0                4.3 +/-    3.17      11.3 +/-    3.17  0.080 / 0.440
G23     155.1          42.2                8.9 +/-    1.18      12.5 +/-    1.18  0.060 / 0.060
G27     56.3           32.1                5.5 +/-    0.50       9.1 +/-    0.50  0.070 / 0.070
G28     234.5          21.5                6.5 +/-    1.16      13.8 +/-    1.16  0.030 / 0.050
G30     299.8          32.5                4.9 +/-    1.42       8.2 +/-    1.42  0.030 / 0.050