PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-22:42:40
G02     54.2           37.5               13.2 +/-    0.54      20.1 +/-    0.54  0.030 / 0.040
G05     68.2           65.3               13.4 +/-    0.48      14.5 +/-    0.48  0.030 / 0.050
G12     183.9          37.0               18.3 +/-    0.92      27.9 +/-    0.92  0.050 / 0.070
G13     132.6          11.2                5.7 +/-   42.90      15.5 +/-   42.90  0.040 / 0.070
G21     266.3          12.8               19.3 +/-    6.06      50.5 +/-    6.06  0.050 / 0.070
G25     246.5          55.5               16.6 +/-    0.73      19.6 +/-    0.73  0.060 / 0.080
G29     323.7          47.8               13.4 +/-    1.43      17.4 +/-    1.43  0.230 / 0.530