PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-06:43:10
G01     114.2          19.7                6.6 +/-    1.17      14.6 +/-    1.17  0.030 / 0.030
G07     90.0           63.8                7.3 +/-    0.52       8.0 +/-    0.52  0.030 / 0.030
G08     44.0           29.6                3.2 +/-    0.68       5.7 +/-    0.68  0.050 / 0.090
G09     175.0          21.3                7.3 +/-    0.81      15.6 +/-    0.81  0.050 / 0.080
G11     105.1          42.7                7.9 +/-    1.29      11.0 +/-    1.29  0.090 / 0.200
G13     315.4          23.4                1.5 +/-    1.93       3.0 +/-    1.93  0.070 / 0.220
G17     202.0          26.9                5.7 +/-    1.70      10.7 +/-    1.70  0.030 / 0.040
G28     287.2          53.6                6.7 +/-    0.75       8.1 +/-    0.75  0.030 / 0.030
G30     346.0          69.8                5.5 +/-    1.00       5.8 +/-    1.00  0.050 / 0.070