PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-17:12:40
G05     53.1           9.9                 6.2 +/-    4.82      17.4 +/-    4.82  0.130 / 0.490
G10     244.9          23.6               13.3 +/-    0.94      26.8 +/-    0.94  0.080 / 0.440
G13     59.6           32.0                7.7 +/-    1.12      12.9 +/-    1.12  0.160 / 0.510
G15     98.3           57.3               10.0 +/-    1.07      11.6 +/-    1.07  0.180 / 0.590
G16     301.7          15.8                7.2 +/-    2.52      17.7 +/-    2.52  0.070 / 0.060
G20     262.8          48.0               10.6 +/-    2.86      13.7 +/-    2.86  0.040 / 0.050
G21     326.1          54.9                9.9 +/-    0.67      11.8 +/-    0.67  0.030 / 0.040
G26     274.7          17.8                9.9 +/-    2.79      23.0 +/-    2.79  0.030 / 0.030
G29     161.3          58.9               12.2 +/-    0.40      14.0 +/-    0.40  0.050 / 0.120