PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/02-05:27:30
G10     302.9          53.5                4.4 +/-    0.92       5.4 +/-    0.92  0.280 / 0.550
G14     212.0          11.4               -3.0 +/-   21.68      -8.0 +/-   21.68  0.120 / 0.430
G15     45.7           25.4                4.3 +/-    1.12       8.4 +/-    1.12  0.040 / 0.040
G20     27.6           61.2                4.8 +/-    0.47       5.4 +/-    0.47  0.040 / 0.040
G21     106.3          72.3                6.1 +/-    1.02       6.4 +/-    1.02  0.070 / 0.080
G24     92.9           27.7                5.6 +/-    1.56      10.3 +/-    1.56  0.060 / 0.080
G27     296.0          35.8                5.3 +/-    0.53       8.3 +/-    0.53  0.040 / 0.060
G32     212.0          37.5                6.9 +/-    1.62      10.5 +/-    1.62  0.060 / 0.050