PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/27-03:42:50
G10     301.1          53.0                7.8 +/-    0.75       9.5 +/-    0.75  0.040 / 0.040
G14     211.5          11.2               -3.4 +/-   22.51      -9.3 +/-   22.51  0.040 / 0.040
G15     46.0           27.3                5.6 +/-    1.98      10.4 +/-    1.98  0.060 / 0.100
G20     350.1          65.2                8.8 +/-    0.61       9.6 +/-    0.61  0.070 / 0.090
G21     102.6          73.3                9.7 +/-    0.87      10.1 +/-    0.87  0.190 / 0.430
G24     93.8           27.3                9.6 +/-    0.83      17.8 +/-    0.83  0.140 / 0.590
G27     297.6          35.3                8.9 +/-    1.06      14.1 +/-    1.06  0.070 / 0.140
G32     211.4          36.3               10.7 +/-    1.51      16.7 +/-    1.51  0.070 / 0.140