PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-23:58:00
G10     313.3          56.8               11.1 +/-    0.62      13.0 +/-    0.62  0.060 / 0.100
G14     212.6          18.5               12.4 +/-    1.77      28.3 +/-    1.77  0.050 / 0.090
G15     45.6           20.3                6.6 +/-    0.87      14.4 +/-    0.87  0.120 / 0.570
G20     13.2           64.0               10.3 +/-    0.44      11.3 +/-    0.44  0.130 / 0.640
G21     117.4          68.6               10.0 +/-    1.21      10.6 +/-    1.21  0.040 / 0.050
G24     88.8           29.4                9.5 +/-    0.87      16.9 +/-    0.87  0.040 / 0.040
G27     290.9          37.1               10.8 +/-    2.19      16.6 +/-    2.19  0.110 / 0.120
G32     214.4          40.1               13.6 +/-    0.68      19.7 +/-    0.68  0.100 / 0.110