PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-16:13:00
G05     50.1           15.6                7.0 +/-    2.19      17.3 +/-    2.19  0.280 / 0.250
G10     239.9          18.7               10.5 +/-    1.15      23.9 +/-    1.15  0.100 / 0.180
G13     67.2           34.2               10.4 +/-    1.32      16.8 +/-    1.32  0.120 / 0.420
G15     110.8          55.6               11.4 +/-    0.72      13.5 +/-    0.72  0.120 / 0.450
G16     308.1          14.7                5.6 +/-    3.21      14.1 +/-    3.21  0.050 / 0.070
G20     255.3          43.5               11.2 +/-    3.29      15.5 +/-    3.29  0.050 / 0.070
G21     319.4          50.5               10.2 +/-    0.79      12.8 +/-    0.79  0.050 / 0.140
G26     281.5          19.3                6.1 +/-    1.10      13.7 +/-    1.10  0.050 / 0.100
G29     157.9          66.8               11.6 +/-    0.34      12.5 +/-    0.34  0.030 / 0.040