PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/04-21:42:50
G10     260.3          34.2               11.0 +/-    1.08      17.7 +/-    1.08  0.100 / 0.200
G13     45.3           22.9                6.4 +/-    1.89      13.1 +/-    1.89  0.100 / 0.230
G15     72.3           56.6                7.6 +/-    0.47       8.9 +/-    0.47  0.060 / 0.050
G16     283.3          14.4               10.3 +/-    2.21      26.0 +/-    2.21  0.060 / 0.060
G20     259.5          18.2               11.9 +/-    1.15      27.3 +/-    1.15  0.130 / 0.350
G21     346.7          66.8                6.8 +/-    0.93       7.4 +/-    0.93  0.130 / 0.360
G24     123.8          10.6               -0.1 +/-   38.01      -0.2 +/-   38.01  0.070 / 0.280
G26     256.6          10.9               12.2 +/-    2.80      33.2 +/-    2.80  0.070 / 0.270
G27     321.2          13.3                7.1 +/-    3.93      18.5 +/-    3.93  0.120 / 0.330
G29     167.5          39.5                9.8 +/-    0.88      14.4 +/-    0.88  0.120 / 0.400