PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/19-23:42:50
G05     48.1           18.6                7.3 +/-    0.35      16.6 +/-    0.35  0.060 / 0.130
G10     234.8          10.7               -6.2 +/-   45.69     -16.9 +/-   45.69  0.070 / 0.120
G13     78.6           36.4               10.4 +/-    0.63      16.1 +/-    0.63  0.110 / 0.350
G15     131.3          50.4               12.5 +/-    0.72      15.7 +/-    0.72  0.130 / 0.330
G16     314.9          12.5                9.2 +/-    1.29      24.2 +/-    1.29  0.050 / 0.080
G20     242.3          19.7               10.0 +/-    1.16      22.2 +/-    1.16  0.040 / 0.090
G21     310.3          44.8                9.7 +/-    1.73      13.2 +/-    1.73  0.220 / 0.270
G25     200.3          12.5               14.0 +/-    1.88      36.9 +/-    1.88  0.240 / 0.240
G26     288.2          21.1               10.7 +/-    2.58      22.9 +/-    2.58  0.110 / 0.370
G29     154.2          76.2               11.7 +/-    0.77      12.0 +/-    0.77  0.130 / 0.390