PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/08-03:12:50
G07     329.8          56.7                3.7 +/-    0.40       4.3 +/-    0.40  0.130 / 0.160
G08     102.9          50.9                5.5 +/-    0.46       6.9 +/-    0.46  0.120 / 0.150
G09     198.1          76.8                5.0 +/-    0.71       5.1 +/-    0.71  0.150 / 0.160
G11     147.7          11.0                4.4 +/-    9.42      12.0 +/-    9.42  0.160 / 0.240
G16     45.5           13.3                1.3 +/-    2.55       3.3 +/-    2.55  0.030 / 0.040
G23     154.8          45.6                7.2 +/-    0.82       9.6 +/-    0.82  0.030 / 0.040
G27     56.9           32.2                3.5 +/-    1.32       5.8 +/-    1.32  0.030 / 0.020
G28     235.5          28.1                5.3 +/-    1.75       9.6 +/-    1.75  0.030 / 0.020
G30     300.5          34.3                2.6 +/-    1.73       4.2 +/-    1.73  0.030 / 0.040