PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-17:43:00
G10     247.5          23.3               12.9 +/-    1.64      26.3 +/-    1.64  0.030 / 0.040
G13     58.2           33.0                9.0 +/-    1.31      14.8 +/-    1.31  0.040 / 0.050
G15     92.4           57.2               10.8 +/-    1.20      12.5 +/-    1.20  0.110 / 0.220
G16     305.2          12.8                7.6 +/-    2.51      20.0 +/-    2.51  0.160 / 0.290
G18     264.8          54.8                9.8 +/-    1.47      11.7 +/-    1.47  0.040 / 0.050
G20     39.0           53.1               10.1 +/-    0.68      12.3 +/-    0.68  0.050 / 0.040
G21     333.9          60.3                8.8 +/-    0.49       9.9 +/-    0.49  0.230 / 0.370
G26     275.6          16.4                9.7 +/-    1.69      23.4 +/-    1.69  0.250 / 0.420
G29     160.6          47.8               12.0 +/-    0.75      15.6 +/-    0.75  0.050 / 0.100