PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-09:13:10
G07     330.6          57.0                2.1 +/-    0.39       2.5 +/-    0.39  0.030 / 0.050
G08     102.5          50.2                4.6 +/-    0.51       5.8 +/-    0.51  0.040 / 0.040
G09     189.0          76.1                3.0 +/-    0.99       3.1 +/-    0.99  0.110 / 0.140
G11     146.5          10.6               -1.6 +/-   16.19      -4.5 +/-   16.19  0.110 / 0.110
G16     45.2           13.1                2.5 +/-    2.48       6.6 +/-    2.48  0.030 / 0.040
G23     154.5          47.9                4.7 +/-    0.52       6.1 +/-    0.52  0.030 / 0.040
G27     58.2           32.7                2.6 +/-    0.85       4.3 +/-    0.85  0.040 / 0.040
G28     234.5          26.8                2.7 +/-    1.94       5.0 +/-    1.94  0.040 / 0.050
G30     297.8          31.1                2.7 +/-    1.47       4.6 +/-    1.47  0.160 / 0.320