PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/28-01:28:10
G05     50.8           12.3               10.2 +/-    1.64      26.9 +/-    1.64  0.110 / 0.390
G10     239.4          16.1               15.9 +/-    1.26      38.5 +/-    1.26  0.090 / 0.370
G13     69.5           35.7               12.5 +/-    1.13      19.6 +/-    1.13  0.090 / 0.180
G15     118.7          55.1               14.4 +/-    0.38      17.2 +/-    0.38  0.200 / 0.140
G16     308.7          14.5                7.8 +/-    2.88      19.6 +/-    2.88  0.080 / 0.060
G20     251.2          36.9               15.0 +/-    1.71      22.9 +/-    1.71  0.060 / 0.050
G21     317.1          49.6               12.3 +/-    1.09      15.6 +/-    1.09  0.060 / 0.090
G26     280.8          20.2               10.3 +/-    1.68      22.6 +/-    1.68  0.070 / 0.100
G29     159.7          67.8               14.1 +/-    0.84      15.1 +/-    0.84  0.030 / 0.030