PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/11-18:42:40
G08     287.4          22.8               10.5 +/-    1.54      21.6 +/-    1.54  0.100 / 0.130
G10     18.6           63.2               10.5 +/-    0.55      11.6 +/-    0.55  0.090 / 0.110
G14     235.9          51.7               12.3 +/-    1.72      15.2 +/-    1.72  0.090 / 0.210
G18     72.1           46.7                9.3 +/-    0.95      12.2 +/-    0.95  0.070 / 0.150
G21     147.7          29.2               11.7 +/-    1.94      20.9 +/-    1.94  0.030 / 0.030
G24     52.0           23.7                8.1 +/-    2.98      16.3 +/-    2.98  0.030 / 0.020
G27     247.1          28.2               12.3 +/-    1.73      22.4 +/-    1.73  0.060 / 0.130
G32     258.7          71.0               10.7 +/-    0.55      11.3 +/-    0.55  0.070 / 0.120