PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/10-21:27:20
G02     228.7          70.4               14.9 +/-    0.99      15.7 +/-    0.99  0.150 / 0.290
G05     173.4          11.7               20.5 +/-   23.44      55.1 +/-   23.44  0.110 / 0.220
G06     43.1           63.1               12.5 +/-    0.57      13.8 +/-    0.57  0.070 / 0.110
G12     321.5          47.7               12.2 +/-    1.47      15.9 +/-    1.47  0.060 / 0.100
G17     65.2           27.4                9.9 +/-    0.82      18.4 +/-    0.82  0.050 / 0.130
G19     49.2           44.0               11.4 +/-    0.43      15.5 +/-    0.43  0.050 / 0.130
G24     251.1          37.8               16.0 +/-    1.61      24.2 +/-    1.61  0.040 / 0.060