PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/01-02:12:50
G10     260.3          33.9               11.8 +/-    1.37      19.0 +/-    1.37  0.040 / 0.050
G13     45.5           23.1                7.4 +/-    1.38      15.0 +/-    1.38  0.040 / 0.050
G15     69.2           54.5                9.8 +/-    0.43      11.8 +/-    0.43  0.100 / 0.210
G16     284.0          14.1                8.9 +/-    1.73      22.6 +/-    1.73  0.090 / 0.220
G20     279.6          52.4               10.9 +/-    1.17      13.4 +/-    1.17  0.110 / 0.300
G21     347.5          67.1                8.2 +/-    0.67       8.8 +/-    0.67  0.110 / 0.300
G24     124.8          10.5               -6.2 +/-   41.16     -17.2 +/-   41.16  0.190 / 0.440
G26     256.8          10.9               11.3 +/-    1.52      30.9 +/-    1.52  0.170 / 0.340
G27     321.1          13.7                8.1 +/-    2.39      20.7 +/-    2.39  0.100 / 0.130
G29     167.5          39.1               13.7 +/-    1.15      20.2 +/-    1.15  0.100 / 0.110