PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-04:58:00
G08     262.6          15.9               10.5 +/-    2.95      25.5 +/-    2.95  0.200 / 0.230
G10     70.6           56.0                5.6 +/-    0.71       6.6 +/-    0.71  0.200 / 0.370
G11     307.7          20.3                7.0 +/-    1.68      15.3 +/-    1.68  0.170 / 0.390
G14     275.3          66.9                9.1 +/-    0.76       9.8 +/-    0.76  0.270 / 0.610
G18     309.3          35.8                7.6 +/-    1.66      12.0 +/-    1.66  0.110 / 0.280
G20     93.7           45.3               12.0 +/-    1.25      16.0 +/-    1.25  0.150 / 0.340
G21     155.7          11.2                6.2 +/-    1.84      16.8 +/-    1.84  0.030 / 0.090
G27     228.0          12.4                9.3 +/-    2.94      24.7 +/-    2.94  0.030 / 0.090
G31     175.4          37.7                9.8 +/-    0.97      14.8 +/-    0.97  0.200 / 0.360
G32     0.3            70.3                6.5 +/-    0.27       6.9 +/-    0.27  0.230 / 0.290