PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-05:12:30
G07     323.7          54.3                3.5 +/-    0.42       4.2 +/-    0.42  0.170 / 0.250
G08     109.5          48.8                4.6 +/-    0.68       5.9 +/-    0.68  0.130 / 0.310
G09     211.4          80.9                4.6 +/-    0.22       4.6 +/-    0.22  0.030 / 0.040
G16     43.8           18.8                2.4 +/-    2.27       5.5 +/-    2.27  0.040 / 0.040
G23     152.8          51.5                5.1 +/-    0.71       6.4 +/-    0.71  0.030 / 0.040
G27     62.1           34.3                4.2 +/-    1.20       6.7 +/-    1.20  0.030 / 0.040
G28     231.9          24.0                4.6 +/-    2.89       9.2 +/-    2.89  0.110 / 0.230
G30     295.8          30.1                4.3 +/-    2.37       7.5 +/-    2.37  0.110 / 0.200