PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-01:58:10
G10     242.8          21.1               13.4 +/-    2.51      28.8 +/-    2.51  0.120 / 0.300
G13     62.8           33.3                9.1 +/-    1.69      15.0 +/-    1.69  0.130 / 0.270
G15     104.2          56.8               10.9 +/-    1.33      12.8 +/-    1.33  0.040 / 0.060
G16     306.9          14.1                6.6 +/-    2.98      16.7 +/-    2.98  0.040 / 0.050
G20     258.3          44.2               12.6 +/-    3.38      17.2 +/-    3.38  0.070 / 0.390
G21     323.6          53.5               10.1 +/-    0.84      12.2 +/-    0.84  0.140 / 0.400
G26     278.8          18.3                9.5 +/-    1.55      21.8 +/-    1.55  0.100 / 0.140
G29     158.5          58.9               12.9 +/-    0.52      14.8 +/-    0.52  0.110 / 0.120