PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-19:27:50
G10     299.9          52.3                8.2 +/-    1.32      10.1 +/-    1.32  0.060 / 0.070
G14     210.8          14.8               14.2 +/-    2.03      35.6 +/-    2.03  0.060 / 0.070
G15     45.7           25.4                8.8 +/-    2.30      17.0 +/-    2.30  0.030 / 0.040
G18     6.2            65.3                8.0 +/-    0.68       8.7 +/-    0.68  0.030 / 0.030
G20     72.7           17.6                8.6 +/-    1.32      20.2 +/-    1.32  0.050 / 0.110
G21     107.9          69.1               10.0 +/-    0.48      10.7 +/-    0.48  0.080 / 0.100
G24     96.5           27.4                9.8 +/-    0.91      18.2 +/-    0.91  0.090 / 0.160
G27     296.3          35.9                9.6 +/-    2.29      15.0 +/-    2.29  0.080 / 0.160
G32     212.2          32.3               12.7 +/-    2.20      21.2 +/-    2.20  0.200 / 0.180