PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-19:12:40
G05     51.2           12.3                6.8 +/-    2.94      17.9 +/-    2.94  0.060 / 0.080
G10     241.2          19.9               10.3 +/-    3.24      22.7 +/-    3.24  0.050 / 0.060
G13     65.1           33.8                8.6 +/-    0.87      13.9 +/-    0.87  0.060 / 0.100
G15     111.6          56.5               10.3 +/-    0.59      12.1 +/-    0.59  0.060 / 0.100
G16     306.7          14.9                6.8 +/-    1.76      17.1 +/-    1.76  0.040 / 0.030
G20     256.6          43.7                9.5 +/-    3.20      13.0 +/-    3.20  0.040 / 0.040
G21     320.5          51.3                8.9 +/-    0.66      11.1 +/-    0.66  0.130 / 0.390
G26     279.6          19.0                7.8 +/-    0.92      17.6 +/-    0.92  0.110 / 0.400
G29     158.8          64.2               11.0 +/-    0.78      12.0 +/-    0.78  0.100 / 0.250