PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-17:42:30
G05     51.8           11.8                9.2 +/-    1.30      24.8 +/-    1.30  0.050 / 0.050
G10     242.6          21.4               13.9 +/-    2.35      29.6 +/-    2.35  0.040 / 0.050
G13     63.0           33.1               10.6 +/-    1.06      17.5 +/-    1.06  0.110 / 0.450
G15     105.5          56.9               12.2 +/-    0.76      14.2 +/-    0.76  0.120 / 0.530
G16     304.8          15.3                8.7 +/-    2.04      21.5 +/-    2.04  0.080 / 0.150
G20     259.0          45.6               13.1 +/-    2.58      17.5 +/-    2.58  0.070 / 0.130
G21     322.7          52.7               11.4 +/-    0.83      13.9 +/-    0.83  0.030 / 0.050
G26     277.7          18.6               11.5 +/-    1.99      26.1 +/-    1.99  0.030 / 0.040
G29     159.9          62.4               12.9 +/-    0.74      14.4 +/-    0.74  0.080 / 0.170