PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-18:27:50
G10     270.2          41.4               11.2 +/-    1.02      15.9 +/-    1.02  0.270 / 0.300
G13     40.4           15.3                9.8 +/-    1.29      24.1 +/-    1.29  0.360 / 0.220
G15     56.0           46.0                9.5 +/-    0.92      12.6 +/-    0.92  0.220 / 0.520
G16     276.1          11.9                9.6 +/-    7.95      25.7 +/-    7.95  0.350 / 0.590
G20     305.8          62.3               10.9 +/-    0.53      12.2 +/-    0.53  0.060 / 0.040
G21     7.9            72.8               12.4 +/-    0.61      12.9 +/-    0.61  0.050 / 0.040
G24     120.4          15.4               12.2 +/-    2.35      30.0 +/-    2.35  0.210 / 0.420
G27     317.8          20.5                9.1 +/-    2.62      19.8 +/-    2.62  0.170 / 0.410
G29     167.7          29.7               10.0 +/-    0.78      17.6 +/-    0.78  0.150 / 0.260
G32     204.1          11.9                4.1 +/-   33.67      11.0 +/-   33.67  0.120 / 0.350