PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-02:13:00
G07     327.9          56.4                2.5 +/-    1.31       2.9 +/-    1.31  0.030 / 0.060
G08     103.9          49.5                5.8 +/-    0.58       7.4 +/-    0.58  0.040 / 0.050
G09     191.5          77.6                4.5 +/-    1.21       4.6 +/-    1.21  0.060 / 0.050
G11     147.8          10.6               -1.7 +/-   18.85      -4.6 +/-   18.85  0.040 / 0.050
G16     45.1           12.1                1.0 +/-    2.67       2.6 +/-    2.67  0.130 / 0.110
G23     154.3          50.0                6.0 +/-    0.95       7.6 +/-    0.95  0.120 / 0.120
G27     63.3           35.8                2.3 +/-    0.63       3.6 +/-    0.63  0.150 / 0.350
G28     232.5          23.0                5.6 +/-    2.73      11.5 +/-    2.73  0.160 / 0.340
G30     296.7          30.1                3.3 +/-    1.11       5.8 +/-    1.11  0.050 / 0.070