PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/02-01:13:10
G05     51.0           11.9                6.4 +/-    2.08      17.0 +/-    2.08  0.120 / 0.280
G10     239.8          16.5               14.8 +/-    1.77      35.4 +/-    1.77  0.170 / 0.250
G13     68.7           35.6                9.9 +/-    1.65      15.5 +/-    1.65  0.170 / 0.140
G15     117.9          55.4               11.6 +/-    0.29      13.8 +/-    0.29  0.220 / 0.180
G16     308.1          14.7                6.1 +/-    2.97      15.2 +/-    2.97  0.060 / 0.050
G20     251.0          35.2               13.8 +/-    2.08      21.9 +/-    2.08  0.070 / 0.060
G21     317.7          50.0                9.6 +/-    1.63      12.1 +/-    1.63  0.030 / 0.040
G26     280.2          20.0                8.7 +/-    1.11      19.2 +/-    1.11  0.030 / 0.030
G29     160.0          67.1               11.5 +/-    0.71      12.3 +/-    0.71  0.060 / 0.080