PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-14:13:10
G02     229.7          68.7                5.6 +/-    0.78       6.0 +/-    0.78  0.080 / 0.480
G05     175.0          10.4               -8.0 +/-   16.24     -22.1 +/-   16.24  0.090 / 0.420
G06     42.6           62.6                5.7 +/-    0.69       6.4 +/-    0.69  0.050 / 0.060
G12     320.9          47.0                3.9 +/-    0.63       5.1 +/-    0.63  0.050 / 0.060
G17     64.8           27.3                4.8 +/-    0.96       8.9 +/-    0.96  0.050 / 0.110
G19     52.7           40.3                6.3 +/-    0.93       9.1 +/-    0.93  0.050 / 0.110
G24     252.6          37.3                7.0 +/-    1.37      10.6 +/-    1.37  0.040 / 0.060
G28     127.9          11.4                4.5 +/-    2.58      12.1 +/-    2.58  0.040 / 0.070