PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/14-00:42:50
G07     329.8          56.7                6.9 +/-    0.49       8.1 +/-    0.49  0.100 / 0.160
G08     103.9          51.3                9.5 +/-    0.41      11.8 +/-    0.41  0.080 / 0.140
G09     199.0          76.6                9.6 +/-    0.30       9.8 +/-    0.30  0.040 / 0.050
G11     148.3          11.1                9.8 +/-    6.49      26.8 +/-    6.49  0.040 / 0.040
G16     46.0           11.0                4.4 +/-    1.55      12.1 +/-    1.55  0.040 / 0.040
G23     154.7          43.9               11.6 +/-    0.67      15.9 +/-    0.67  0.030 / 0.050
G27     56.4           32.0                5.4 +/-    1.19       9.1 +/-    1.19  0.100 / 0.370
G28     236.0          28.5                9.0 +/-    1.66      16.2 +/-    1.66  0.100 / 0.330
G30     301.9          36.1                8.7 +/-    0.91      13.6 +/-    0.91  0.020 / 0.010