PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-12:42:20
G02     32.7           55.6                3.6 +/-    1.06       4.3 +/-    1.06  0.210 / 0.150
G05     143.8          62.0                6.0 +/-    0.55       6.7 +/-    0.55  0.300 / 0.220
G06     54.1           15.4                1.6 +/-    2.45       3.9 +/-    2.45  0.020 / 0.030
G12     196.6          66.6                4.2 +/-    0.32       4.6 +/-    0.32  0.030 / 0.030
G19     99.8           11.4                4.9 +/-    1.25      13.2 +/-    1.25  0.050 / 0.040
G25     289.4          58.0                4.0 +/-    2.44       4.6 +/-    2.44  0.030 / 0.040
G29     308.3          29.2                2.5 +/-    1.32       4.4 +/-    1.32  0.130 / 0.180