PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-15:58:10
G02     75.9           19.0                7.7 +/-    1.52      17.3 +/-    1.52  0.030 / 0.050
G05     45.3           44.5                6.6 +/-    0.62       9.0 +/-    0.62  0.040 / 0.060
G12     181.7          14.0               13.3 +/-    3.90      33.9 +/-    3.90  0.190 / 0.320
G13     112.4          28.0               10.9 +/-    1.20      19.9 +/-    1.20  0.110 / 0.290
G15     151.5          28.8               12.7 +/-    1.51      22.7 +/-    1.51  0.080 / 0.150
G18     225.2          19.2               11.6 +/-    4.01      26.0 +/-    4.01  0.110 / 0.170
G20     234.4          80.0                7.6 +/-    0.82       7.7 +/-    0.82  0.040 / 0.040
G21     289.1          32.2                6.3 +/-    2.04      10.5 +/-    2.04  0.040 / 0.050
G25     214.9          34.8               10.1 +/-    1.44      16.1 +/-    1.44  0.080 / 0.170
G29     3.0            79.8                6.2 +/-    1.05       6.3 +/-    1.05  0.080 / 0.180