PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/05-05:58:10
G07     355.2          64.3                4.5 +/-    1.19       5.0 +/-    1.19  0.070 / 0.110
G08     77.1           51.3                4.9 +/-    1.16       6.1 +/-    1.16  0.040 / 0.140
G09     181.7          60.7                6.4 +/-    0.54       7.3 +/-    0.54  0.030 / 0.030
G11     137.3          20.2                6.8 +/-    2.47      14.9 +/-    2.47  0.030 / 0.040
G23     159.1          31.2                4.7 +/-    0.85       8.1 +/-    0.85  0.030 / 0.030
G27     45.3           23.7                2.0 +/-    2.37       4.1 +/-    2.37  0.030 / 0.030
G28     248.1          39.0                6.1 +/-    0.61       9.0 +/-    0.61  0.030 / 0.030
G30     311.5          43.0                3.6 +/-    0.75       5.0 +/-    0.75  0.040 / 0.030