PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/04-18:57:50
G10     272.7          40.8               14.7 +/-    1.46      21.1 +/-    1.46  0.090 / 0.150
G13     40.2           15.4               11.7 +/-    1.85      28.8 +/-    1.85  0.090 / 0.140
G15     53.7           43.7               12.3 +/-    0.96      17.0 +/-    0.96  0.040 / 0.040
G18     315.8          66.4               11.0 +/-    0.82      11.9 +/-    0.82  0.040 / 0.040
G20     57.8           31.8               12.9 +/-    0.94      21.8 +/-    0.94  0.050 / 0.120
G21     32.3           75.3               13.5 +/-    0.46      13.9 +/-    0.46  0.060 / 0.140
G24     117.0          17.1               16.5 +/-    1.13      38.9 +/-    1.13  0.080 / 0.180
G27     314.9          24.2               10.8 +/-    2.30      21.5 +/-    2.30  0.120 / 0.220
G29     165.8          19.8               14.9 +/-    1.51      33.0 +/-    1.51  0.120 / 0.280
G32     205.9          12.2               15.9 +/-    1.46      42.2 +/-    1.46  0.100 / 0.330