PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/06-16:27:50
G10     296.6          51.8                6.9 +/-    1.74       8.5 +/-    1.74  0.300 / 0.330
G14     209.8          11.4               -3.9 +/-   18.97     -10.6 +/-   18.97  0.170 / 0.300
G15     46.5           30.3                5.6 +/-    0.98       9.7 +/-    0.98  0.030 / 0.030
G20     350.7          65.4                7.4 +/-    0.31       8.0 +/-    0.31  0.040 / 0.030
G21     98.8           72.1                8.7 +/-    0.37       9.1 +/-    0.37  0.090 / 0.130
G24     93.5           25.6                9.3 +/-    1.05      17.9 +/-    1.05  0.090 / 0.110
G27     303.5          32.3                5.0 +/-    1.92       8.3 +/-    1.92  0.050 / 0.100
G32     210.2          30.5                8.7 +/-    1.83      15.0 +/-    1.83  0.050 / 0.090