PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/07-06:27:40
G08     318.4          13.3                3.1 +/-    0.77       8.1 +/-    0.77  0.050 / 0.070
G10     313.5          56.7                2.7 +/-    0.77       3.2 +/-    0.77  0.050 / 0.080
G14     212.6          20.7                4.7 +/-    2.28      10.1 +/-    2.28  0.040 / 0.030
G15     45.6           18.7                1.7 +/-    1.09       3.9 +/-    1.09  0.040 / 0.040
G20     14.7           63.9                3.7 +/-    0.43       4.1 +/-    0.43  0.110 / 0.260
G24     86.4           29.0                4.4 +/-    1.28       7.8 +/-    1.28  0.110 / 0.220
G27     291.2          36.6                4.0 +/-    0.80       6.2 +/-    0.80  0.110 / 0.220
G32     215.4          37.0                6.8 +/-    2.66      10.4 +/-    2.66  0.110 / 0.200