PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/15-22:27:30
G07     329.3          56.5                8.8 +/-    0.52      10.4 +/-    0.52  0.120 / 0.150
G08     106.3          51.5               10.5 +/-    0.57      12.9 +/-    0.57  0.080 / 0.130
G09     200.0          76.7                8.9 +/-    0.42       9.1 +/-    0.42  0.040 / 0.050
G11     149.4          10.9                6.9 +/-   23.15      18.8 +/-   23.15  0.040 / 0.040
G16     46.2           9.7                 7.8 +/-    4.06      21.9 +/-    4.06  0.080 / 0.070
G23     154.3          42.7                9.9 +/-    1.00      13.9 +/-    1.00  0.090 / 0.080
G27     56.5           32.2                7.6 +/-    1.35      12.8 +/-    1.35  0.110 / 0.710
G28     235.9          28.4               10.6 +/-    1.40      19.1 +/-    1.40  0.140 / 0.320
G30     302.9          37.5                8.9 +/-    1.72      13.5 +/-    1.72  0.210 / 0.560