PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-04:57:40
G07     328.0          56.6                4.7 +/-    0.84       5.5 +/-    0.84  0.130 / 0.140
G08     108.6          50.1                6.5 +/-    0.38       8.1 +/-    0.38  0.100 / 0.130
G09     191.5          77.2                4.7 +/-    0.72       4.8 +/-    0.72  0.040 / 0.070
G11     150.3          10.6               -1.2 +/-   18.16      -3.2 +/-   18.16  0.060 / 0.070
G23     153.6          46.1                6.0 +/-    0.69       8.0 +/-    0.69  0.050 / 0.060
G27     60.2           33.8                4.9 +/-    0.98       8.0 +/-    0.98  0.040 / 0.060
G28     232.0          18.5                7.0 +/-    5.35      16.0 +/-    5.35  0.150 / 0.550
G30     297.0          30.1                3.2 +/-    1.25       5.6 +/-    1.25  0.180 / 0.530