PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-12:27:50
G08     264.2          17.6                5.1 +/-    1.66      11.8 +/-    1.66  0.030 / 0.030
G10     65.8           56.7                4.2 +/-    0.90       4.9 +/-    0.90  0.030 / 0.030
G11     309.5          19.2                3.6 +/-    2.20       8.2 +/-    2.20  0.040 / 0.050
G14     272.7          68.3                5.3 +/-    0.52       5.7 +/-    0.52  0.040 / 0.050
G18     310.1          36.3                4.4 +/-    2.16       6.8 +/-    2.16  0.100 / 0.180
G20     97.5           35.0                4.1 +/-    0.64       6.5 +/-    0.64  0.110 / 0.150
G21     154.2          10.3                5.4 +/-    2.08      14.9 +/-    2.08  0.170 / 0.250
G27     232.3          15.3                4.9 +/-    1.19      12.2 +/-    1.19  0.130 / 0.300
G31     179.6          30.3                6.3 +/-    1.50      10.9 +/-    1.50  0.250 / 0.430
G32     329.6          73.9                5.6 +/-    0.57       5.8 +/-    0.57  0.220 / 0.380