PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/27-19:57:50
G08     278.5          21.7               11.7 +/-    1.83      24.7 +/-    1.83  0.080 / 0.210
G10     36.5           62.3               10.5 +/-    0.91      11.7 +/-    0.91  0.130 / 0.110
G14     246.3          58.7               12.5 +/-    0.72      14.3 +/-    0.72  0.090 / 0.170
G18     80.9           42.3               10.7 +/-    1.82      15.0 +/-    1.82  0.090 / 0.200
G21     150.6          22.1               13.0 +/-    2.10      27.3 +/-    2.10  0.150 / 0.270
G24     46.2           19.1               10.1 +/-    3.94      22.7 +/-    3.94  0.140 / 0.260
G27     239.7          23.2               13.3 +/-    2.18      27.1 +/-    2.18  0.170 / 0.130
G31     182.4          16.8               11.9 +/-    1.61      28.4 +/-    1.61  0.210 / 0.210
G32     284.8          74.7               11.9 +/-    0.33      12.3 +/-    0.33  0.030 / 0.030