PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-15:27:30
G10     258.5          34.5                8.4 +/-    2.08      13.5 +/-    2.08  0.450 / 0.290
G13     46.2           23.2                5.9 +/-    2.84      12.0 +/-    2.84  0.090 / 0.200
G15     67.3           52.2                8.3 +/-    0.80      10.1 +/-    0.80  0.170 / 0.580
G16     286.5          15.0                4.6 +/-    3.12      11.4 +/-    3.12  0.170 / 0.530
G20     286.3          58.1                8.5 +/-    1.56       9.8 +/-    1.56  0.040 / 0.060
G21     347.2          66.0                8.5 +/-    0.51       9.2 +/-    0.51  0.040 / 0.080
G26     260.7          11.9                6.9 +/-    8.13      18.4 +/-    8.13  0.040 / 0.050
G27     321.7          11.8               -1.7 +/-   24.79      -4.5 +/-   24.79  0.050 / 0.050
G29     166.0          41.8                9.4 +/-    0.79      13.3 +/-    0.79  0.200 / 0.120