PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-14:42:50
G05     48.2           19.4                4.4 +/-    1.48       9.8 +/-    1.48  0.110 / 0.160
G10     236.2          14.7                5.8 +/-    1.81      14.5 +/-    1.81  0.100 / 0.170
G13     73.9           35.1                7.7 +/-    1.28      12.2 +/-    1.28  0.220 / 0.470
G15     119.0          53.0                8.6 +/-    0.93      10.4 +/-    0.93  0.300 / 0.520
G16     312.9          13.1                2.9 +/-    2.85       7.6 +/-    2.85  0.090 / 0.280
G20     249.9          40.0                9.2 +/-    2.33      13.4 +/-    2.33  0.120 / 0.310
G21     314.4          47.3                6.8 +/-    0.62       8.9 +/-    0.62  0.030 / 0.020
G25     199.2          11.2                7.4 +/-    4.50      20.1 +/-    4.50  0.020 / 0.020
G26     287.3          20.0                3.5 +/-    1.77       7.7 +/-    1.77  0.040 / 0.080
G29     153.7          73.2                8.9 +/-    0.55       9.2 +/-    0.55  0.050 / 0.080