PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-16:28:10
G10     286.3          48.8               23.3 +/-    0.60      29.8 +/-    0.60  0.080 / 0.120
G15     47.7           33.5                5.5 +/-    0.50       9.0 +/-    0.50  0.090 / 0.130
G20     337.6          65.4                7.3 +/-    1.01       7.9 +/-    1.01  0.040 / 0.050
G21     59.8           76.9                7.4 +/-    0.46       7.5 +/-    0.46  0.040 / 0.040
G24     108.8          22.6               10.6 +/-    1.01      21.8 +/-    1.01  0.040 / 0.040
G27     309.4          29.7                8.3 +/-    1.53      14.7 +/-    1.53  0.040 / 0.050
G29     168.3          17.0                9.2 +/-    1.04      21.7 +/-    1.04  0.080 / 0.200
G32     206.5          24.5               12.4 +/-    0.83      24.5 +/-    0.83  0.090 / 0.170