PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/10-17:57:50
G10     256.4          30.5               15.2 +/-    1.04      26.3 +/-    1.04  0.270 / 0.260
G13     48.9           27.1               10.6 +/-    2.00      19.7 +/-    2.00  0.120 / 0.180
G15     72.5           54.4               12.9 +/-    0.37      15.5 +/-    0.37  0.050 / 0.030
G16     295.3          12.8               10.5 +/-    1.02      27.4 +/-    1.02  0.040 / 0.040
G18     281.8          60.9               13.9 +/-    1.23      15.7 +/-    1.23  0.160 / 0.330
G20     46.4           44.3               11.5 +/-    0.79      15.6 +/-    0.79  0.140 / 0.300
G21     350.1          67.2               13.7 +/-    0.79      14.7 +/-    0.79  0.130 / 0.150
G26     265.7          12.6               14.0 +/-    1.66      36.9 +/-    1.66  0.150 / 0.200
G27     321.6          11.8                1.5 +/-   27.98       3.9 +/-   27.98  0.100 / 0.280
G29     163.7          36.5               13.9 +/-    0.54      21.5 +/-    0.54  0.100 / 0.350