PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-04:57:50
G07     328.0          56.6                4.5 +/-    0.79       5.3 +/-    0.79  0.150 / 0.140
G08     108.6          50.1                6.0 +/-    0.42       7.5 +/-    0.42  0.110 / 0.100
G09     191.5          77.2                5.7 +/-    0.22       5.8 +/-    0.22  0.030 / 0.020
G11     150.3          10.6               -0.8 +/-   15.12      -2.3 +/-   15.12  0.030 / 0.030
G23     153.6          46.1                6.0 +/-    1.07       8.0 +/-    1.07  0.070 / 0.060
G27     60.2           33.8                5.1 +/-    1.62       8.3 +/-    1.62  0.060 / 0.060
G28     232.0          18.5                6.4 +/-    1.91      14.7 +/-    1.91  0.040 / 0.050
G30     297.0          30.1                5.3 +/-    2.14       9.2 +/-    2.14  0.030 / 0.050