PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/30-05:27:50
G08     306.9          20.0                5.6 +/-    2.79      12.2 +/-    2.79  0.100 / 0.070
G10     342.9          61.4                3.8 +/-    0.52       4.3 +/-    0.52  0.110 / 0.090
G14     219.9          34.9                7.5 +/-    1.26      11.8 +/-    1.26  0.030 / 0.030
G20     45.2           58.6                6.1 +/-    0.65       7.1 +/-    0.65  0.040 / 0.030
G24     68.9           29.3                5.9 +/-    0.55      10.5 +/-    0.55  0.070 / 0.130
G27     270.9          36.7                6.1 +/-    1.28       9.5 +/-    1.28  0.080 / 0.130
G32     226.4          53.0                8.2 +/-    1.21       9.9 +/-    1.21  0.070 / 0.090