PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-00:13:10
G10     285.3          47.4               10.0 +/-    1.17      13.0 +/-    1.17  0.090 / 0.120
G15     49.3           39.0                7.9 +/-    1.04      11.7 +/-    1.04  0.080 / 0.120
G20     287.2          44.8                7.4 +/-    1.08      10.0 +/-    1.08  0.100 / 0.220
G21     55.7           77.7               10.1 +/-    0.50      10.4 +/-    0.50  0.090 / 0.220
G24     104.9          22.7               12.2 +/-    1.91      25.1 +/-    1.91  0.060 / 0.140
G27     309.0          29.5                8.3 +/-    1.88      14.7 +/-    1.88  0.060 / 0.170
G29     169.0          16.7               13.2 +/-    2.70      31.4 +/-    2.70  0.030 / 0.060
G32     207.1          25.2               14.0 +/-    2.69      27.2 +/-    2.69  0.040 / 0.040