PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/04-06:57:30
G07     48.7           69.3                5.0 +/-    0.42       5.3 +/-    0.42  0.040 / 0.040
G08     53.8           43.0                3.8 +/-    0.42       5.2 +/-    0.42  0.040 / 0.040
G09     176.9          37.9                8.6 +/-    1.24      12.9 +/-    1.24  0.030 / 0.040
G11     123.3          34.6                7.1 +/-    1.08      11.4 +/-    1.08  0.030 / 0.040
G13     321.2          10.7               -7.3 +/-   14.57     -20.1 +/-   14.57  0.130 / 0.450
G17     199.5          10.9               -4.5 +/-   18.58     -12.3 +/-   18.58  0.120 / 0.470
G18     105.4          15.4                6.8 +/-    1.06      16.8 +/-    1.06  0.110 / 0.240
G28     265.1          45.2                4.3 +/-    0.93       5.8 +/-    0.93  0.080 / 0.220
G30     327.0          56.7                3.3 +/-    0.88       3.8 +/-    0.88  0.050 / 0.090