PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-22:43:10
G10     245.6          22.5               15.2 +/-    2.59      31.4 +/-    2.59  0.040 / 0.050
G13     59.4           32.8                9.8 +/-    0.65      16.2 +/-    0.65  0.040 / 0.060
G15     105.3          58.6               12.5 +/-    0.66      14.3 +/-    0.66  0.130 / 0.720
G16     300.1          16.0                8.6 +/-    3.14      20.9 +/-    3.14  0.120 / 0.550
G20     250.8          19.1                8.5 +/-    0.87      19.1 +/-    0.87  0.050 / 0.110
G21     325.5          55.2               10.4 +/-    0.71      12.4 +/-    0.71  0.050 / 0.120
G26     272.1          18.0               12.1 +/-    1.37      28.0 +/-    1.37  0.030 / 0.050
G29     163.4          58.2               11.7 +/-    0.77      13.6 +/-    0.77  0.030 / 0.040