PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-14:58:10
G05     49.6           16.1                3.9 +/-    1.51       9.5 +/-    1.51  0.130 / 0.310
G10     238.3          15.4                6.5 +/-    2.14      16.1 +/-    2.14  0.170 / 0.350
G13     71.1           35.6                6.5 +/-    0.91      10.2 +/-    0.91  0.100 / 0.170
G15     122.2          54.3                7.6 +/-    0.71       9.1 +/-    0.71  0.110 / 0.210
G16     312.0          13.0                3.1 +/-    3.53       8.0 +/-    3.53  0.070 / 0.070
G20     251.3          39.6                8.1 +/-    1.66      11.9 +/-    1.66  0.060 / 0.070
G21     318.9          51.0                6.7 +/-    1.01       8.3 +/-    1.01  0.020 / 0.050
G26     286.0          19.4                5.0 +/-    1.59      11.2 +/-    1.59  0.030 / 0.060
G29     156.3          67.4                7.7 +/-    1.31       8.2 +/-    1.31  0.070 / 0.110