PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/08-21:43:00
G10     268.1          39.0               12.1 +/-    1.74      17.8 +/-    1.74  0.140 / 0.200
G13     41.4           17.3                9.0 +/-    1.98      21.0 +/-    1.98  0.130 / 0.220
G15     62.5           53.1               10.6 +/-    0.54      12.9 +/-    0.54  0.340 / 0.630
G16     277.3          11.9               11.6 +/-   15.06      31.0 +/-   15.06  0.330 / 0.710
G20     299.4          60.7               10.7 +/-    0.82      12.1 +/-    0.82  0.150 / 0.280
G21     4.8            72.3               11.6 +/-    0.84      12.1 +/-    0.84  0.130 / 0.270
G24     117.3          15.0               14.0 +/-    2.11      34.9 +/-    2.11  0.050 / 0.050
G27     318.6          18.8                9.2 +/-    1.85      20.9 +/-    1.85  0.050 / 0.040
G29     168.2          30.8               13.3 +/-    1.64      22.9 +/-    1.64  0.140 / 0.360
G32     204.1          11.1               -5.4 +/-   43.45     -14.7 +/-   43.45  0.160 / 0.190