PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-04:57:30
G07     327.0          55.6                3.5 +/-    0.40       4.1 +/-    0.40  0.130 / 0.200
G08     105.8          49.9                6.3 +/-    0.50       7.9 +/-    0.50  0.110 / 0.240
G09     202.0          78.8                5.7 +/-    0.63       5.8 +/-    0.63  0.030 / 0.030
G16     44.5           17.0                1.8 +/-    2.28       4.2 +/-    2.28  0.040 / 0.030
G23     154.0          48.8                6.6 +/-    0.56       8.4 +/-    0.56  0.140 / 0.220
G27     59.4           33.3                5.0 +/-    1.15       8.1 +/-    1.15  0.150 / 0.260
G28     233.7          26.1                5.5 +/-    2.77      10.5 +/-    2.77  0.050 / 0.080
G30     297.9          31.9                3.7 +/-    1.43       6.3 +/-    1.43  0.070 / 0.060