PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/05-07:27:50
G01     114.7          19.4                6.8 +/-    1.52      15.1 +/-    1.52  0.030 / 0.030
G07     89.5           63.8                6.8 +/-    0.78       7.5 +/-    0.78  0.030 / 0.030
G08     44.3           30.5                3.2 +/-    0.92       5.5 +/-    0.92  0.030 / 0.050
G09     175.3          22.1                7.2 +/-    1.15      15.1 +/-    1.15  0.030 / 0.040
G11     105.3          42.4                8.3 +/-    1.32      11.6 +/-    1.32  0.070 / 0.240
G13     315.6          23.0                1.4 +/-    1.97       2.9 +/-    1.97  0.080 / 0.260
G17     202.0          26.0                6.4 +/-    0.94      12.3 +/-    0.94  0.100 / 0.230
G18     90.4           21.9                6.7 +/-    2.07      14.0 +/-    2.07  0.070 / 0.190
G28     286.8          53.6                6.7 +/-    0.63       8.1 +/-    0.63  0.120 / 0.280
G30     346.1          69.7                4.7 +/-    1.20       5.0 +/-    1.20  0.130 / 0.180