PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/11-00:13:10
G02     23.9           62.5               12.1 +/-    1.14      13.4 +/-    1.14  0.070 / 0.080
G05     150.0          53.7               15.6 +/-    0.71      18.8 +/-    0.71  0.060 / 0.080
G06     47.9           25.2               11.3 +/-    2.60      22.1 +/-    2.60  0.020 / 0.020
G12     235.9          77.9               13.6 +/-    0.39      13.8 +/-    0.39  0.030 / 0.020
G19     92.0           14.9               13.4 +/-    1.62      33.5 +/-    1.62  0.140 / 0.120
G25     307.9          46.5               12.9 +/-    1.27      17.0 +/-    1.27  0.290 / 0.110
G29     301.7          24.0               12.5 +/-    1.82      25.0 +/-    1.82  0.030 / 0.040