PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-04:13:10
G03     188.0          12.5                3.2 +/-    4.30       8.3 +/-    4.30  0.030 / 0.050
G07     302.4          44.4                4.5 +/-    1.10       6.1 +/-    1.10  0.030 / 0.060
G08     131.1          37.4                7.5 +/-    0.85      11.4 +/-    0.85  0.040 / 0.090
G09     313.8          74.4                4.1 +/-    0.62       4.2 +/-    0.62  0.050 / 0.100
G16     41.5           34.8                4.0 +/-    0.63       6.4 +/-    0.63  0.050 / 0.120
G23     138.9          70.4                4.7 +/-    0.68       4.9 +/-    0.68  0.050 / 0.110
G27     84.2           36.5                5.8 +/-    0.97       9.0 +/-    0.97  0.030 / 0.030
G30     282.0          19.4                3.3 +/-    1.43       7.3 +/-    1.43  0.030 / 0.030