PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-03:28:00
G10     252.3          28.0               11.1 +/-    1.90      20.3 +/-    1.90  0.100 / 0.280
G13     51.8           28.8                6.7 +/-    0.90      11.9 +/-    0.90  0.100 / 0.210
G15     83.4           57.4                7.8 +/-    0.72       9.0 +/-    0.72  0.030 / 0.050
G16     292.7          15.6                8.1 +/-    1.75      20.0 +/-    1.75  0.030 / 0.050
G20     280.5          59.1                9.9 +/-    1.84      11.3 +/-    1.84  0.060 / 0.130
G21     335.3          61.1                8.6 +/-    0.40       9.6 +/-    0.40  0.110 / 0.150
G26     264.5          14.8               10.7 +/-    1.18      26.7 +/-    1.18  0.040 / 0.040
G29     165.8          48.5                8.9 +/-    0.62      11.4 +/-    0.62  0.030 / 0.030