PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-08:58:00
G10     261.0          35.2                6.7 +/-    0.71      10.6 +/-    0.71  0.270 / 0.230
G13     44.9           22.1                4.0 +/-    2.52       8.5 +/-    2.52  0.160 / 0.290
G15     65.6           52.1                4.3 +/-    1.44       5.3 +/-    1.44  0.060 / 0.090
G16     290.3          12.8                3.5 +/-    1.71       9.2 +/-    1.71  0.060 / 0.110
G20     287.3          57.6                4.3 +/-    1.81       5.0 +/-    1.81  0.150 / 0.230
G24     123.5          11.0                4.0 +/-    2.13      10.9 +/-    2.13  0.160 / 0.240
G27     321.7          12.2               -0.1 +/-   12.24      -0.3 +/-   12.24  0.040 / 0.030
G29     164.0          32.7                5.0 +/-    1.60       8.3 +/-    1.60  0.040 / 0.040