PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/03-16:27:50
G02     23.4           61.9                9.6 +/-    0.83      10.7 +/-    0.83  0.040 / 0.030
G05     150.3          56.2               11.1 +/-    0.38      13.0 +/-    0.38  0.040 / 0.030
G06     50.5           19.2                8.1 +/-    1.27      18.1 +/-    1.27  0.050 / 0.040
G12     208.1          74.2               10.4 +/-    0.35      10.7 +/-    0.35  0.050 / 0.040
G19     95.6           11.3                9.7 +/-    1.49      26.4 +/-    1.49  0.150 / 0.280
G25     304.9          48.4                8.4 +/-    3.47      10.9 +/-    3.47  0.080 / 0.180
G29     302.7          23.5                7.7 +/-    1.23      15.6 +/-    1.23  0.130 / 0.220