PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-19:27:40
G02     63.9           30.4                9.6 +/-    2.10      16.7 +/-    2.10  0.030 / 0.030
G05     50.8           55.4                9.7 +/-    0.71      11.5 +/-    0.71  0.030 / 0.040
G12     180.0          21.4               13.7 +/-    2.38      29.1 +/-    2.38  0.300 / 0.440
G13     121.9          20.1               11.4 +/-    1.37      25.1 +/-    1.37  0.230 / 0.390
G15     163.0          16.2               15.4 +/-    1.00      37.2 +/-    1.00  0.070 / 0.110
G21     276.7          20.7               10.9 +/-    2.61      23.7 +/-    2.61  0.070 / 0.110
G25     225.7          46.1               12.1 +/-    2.28      16.1 +/-    2.28  0.090 / 0.190
G29     331.8          60.2                9.1 +/-    0.72      10.3 +/-    0.72  0.110 / 0.170