PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-11:27:50
G08     263.9          17.3                8.8 +/-    0.46      20.7 +/-    0.46  0.320 / 0.550
G10     67.0           56.4                5.6 +/-    0.48       6.5 +/-    0.48  0.170 / 0.440
G11     309.1          19.5                4.9 +/-    1.47      10.9 +/-    1.47  0.030 / 0.030
G14     274.2          68.6                6.4 +/-    0.72       6.8 +/-    0.72  0.030 / 0.020
G18     309.9          36.5                6.6 +/-    1.16      10.3 +/-    1.16  0.030 / 0.020
G20     98.1           34.6                4.8 +/-    0.66       7.6 +/-    0.66  0.030 / 0.020
G21     154.5          10.4                4.1 +/-    4.33      11.3 +/-    4.33  0.040 / 0.030
G27     231.6          14.8                6.2 +/-    2.40      15.4 +/-    2.40  0.040 / 0.040
G31     179.0          31.5                5.6 +/-    1.77       9.6 +/-    1.77  0.210 / 0.390
G32     329.2          73.8                6.2 +/-    0.44       6.5 +/-    0.44  0.200 / 0.380