PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/27-06:42:40
G01     90.2           31.8                5.1 +/-    1.12       8.6 +/-    1.12  0.050 / 0.040
G07     125.5          44.7                7.1 +/-    0.56       9.7 +/-    0.56  0.050 / 0.040
G11     69.1           39.3                4.5 +/-    0.64       6.6 +/-    0.64  0.050 / 0.030
G13     296.1          35.0                3.5 +/-    5.38       5.6 +/-    5.38  0.040 / 0.040
G17     214.4          55.0                6.4 +/-    1.01       7.6 +/-    1.01  0.060 / 0.050
G19     214.5          28.4                5.8 +/-    1.35      10.5 +/-    1.35  0.040 / 0.040
G28     350.6          61.6                3.6 +/-    0.62       4.0 +/-    0.62  0.090 / 0.090
G30     104.6          75.1                5.1 +/-    0.79       5.3 +/-    0.79  0.090 / 0.080