PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-19:12:30
G08     303.8          21.2               12.5 +/-    1.73      26.8 +/-    1.73  0.060 / 0.080
G10     351.2          62.1               12.5 +/-    0.66      13.9 +/-    0.66  0.080 / 0.090
G14     221.9          33.7               17.4 +/-    1.02      28.3 +/-    1.02  0.070 / 0.130
G20     54.0           55.5               12.8 +/-    0.62      15.2 +/-    0.62  0.080 / 0.160
G21     140.9          50.2               16.5 +/-    1.07      20.7 +/-    1.07  0.060 / 0.090
G24     67.1           29.7               12.4 +/-    0.74      21.9 +/-    0.74  0.050 / 0.100
G27     265.4          36.2               16.5 +/-    1.47      25.6 +/-    1.47  0.040 / 0.070
G32     230.2          60.8               17.2 +/-    0.54      19.4 +/-    0.54  0.040 / 0.070