PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-18:28:00
G08     320.9          10.7               -6.3 +/-   36.67     -17.3 +/-   36.67  0.070 / 0.090
G10     308.7          55.8               12.5 +/-    0.92      14.8 +/-    0.92  0.060 / 0.090
G14     212.0          13.3               15.6 +/-    1.86      40.5 +/-    1.86  0.040 / 0.040
G15     45.5           21.2               10.2 +/-    0.84      21.8 +/-    0.84  0.040 / 0.050
G20     11.7           64.0               13.4 +/-    0.39      14.7 +/-    0.39  0.140 / 0.600
G21     111.5          70.3               15.2 +/-    0.56      16.1 +/-    0.56  0.120 / 0.600
G24     93.1           28.8               12.2 +/-    0.83      22.0 +/-    0.83  0.070 / 0.130
G27     294.2          36.6               14.5 +/-    0.90      22.4 +/-    0.90  0.080 / 0.140
G32     212.4          38.9               13.5 +/-    0.73      20.1 +/-    0.73  0.170 / 0.440