PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/06-19:42:50
G10     265.6          37.6               11.5 +/-    1.41      17.5 +/-    1.41  0.130 / 0.230
G13     42.5           19.1                8.0 +/-    0.96      18.1 +/-    0.96  0.120 / 0.180
G15     64.5           53.6                8.8 +/-    0.32      10.7 +/-    0.32  0.040 / 0.050
G16     280.1          12.7                9.3 +/-    1.66      24.4 +/-    1.66  0.040 / 0.040
G20     294.9          59.7                1.2 +/-    0.82       1.3 +/-    0.82  0.070 / 0.270
G21     1.1            71.1               -1.9 +/-    0.55      -2.0 +/-    0.55  0.080 / 0.230
G24     118.7          13.7               12.1 +/-    1.79      31.0 +/-    1.79  0.240 / 0.340
G27     319.8          16.6                8.7 +/-    2.09      20.8 +/-    2.09  0.210 / 0.390
G29     167.7          32.9               11.7 +/-    1.20      19.3 +/-    1.20  0.030 / 0.040