PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-18:12:40
G05     51.4           12.4                8.1 +/-    0.81      21.3 +/-    0.81  0.100 / 0.130
G10     241.7          20.4               12.3 +/-    0.94      26.8 +/-    0.94  0.130 / 0.170
G13     64.4           33.6               10.3 +/-    0.66      16.9 +/-    0.66  0.040 / 0.070
G15     108.8          56.6               12.5 +/-    0.40      14.6 +/-    0.40  0.040 / 0.080
G16     306.0          15.1                7.4 +/-    3.21      18.2 +/-    3.21  0.060 / 0.110
G20     257.5          44.5                9.4 +/-    1.22      12.8 +/-    1.22  0.050 / 0.130
G21     321.3          51.8               11.9 +/-    1.21      14.7 +/-    1.21  0.140 / 0.670
G26     279.0          18.9                8.9 +/-    1.72      20.1 +/-    1.72  0.150 / 0.650
G29     159.2          63.7               12.6 +/-    1.16      13.9 +/-    1.16  0.030 / 0.050