PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-17:13:00
G10     296.5          51.8                8.7 +/-    0.78      10.8 +/-    0.78  0.390 / 0.460
G14     209.8          11.3                0.9 +/-   25.41       2.4 +/-   25.41  0.180 / 0.450
G15     46.6           30.8                6.6 +/-    0.43      11.4 +/-    0.43  0.060 / 0.090
G20     350.6          65.4                6.7 +/-    1.27       7.3 +/-    1.27  0.060 / 0.110
G21     97.9           72.5               10.7 +/-    0.93      11.2 +/-    0.93  0.040 / 0.040
G24     93.8           25.7               10.0 +/-    0.91      19.2 +/-    0.91  0.040 / 0.040
G27     303.3          32.4                8.5 +/-    1.37      14.1 +/-    1.37  0.100 / 0.130
G32     210.2          30.8               10.6 +/-    1.52      18.3 +/-    1.52  0.090 / 0.120