PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-21:43:00
G05     51.0           15.2               13.9 +/-    1.03      34.5 +/-    1.03  0.050 / 0.080
G10     241.5          17.3               19.9 +/-    1.01      46.8 +/-    1.01  0.050 / 0.080
G13     67.7           36.4               18.1 +/-    0.74      28.1 +/-    0.74  0.100 / 0.280
G15     111.9          56.2               20.4 +/-    0.29      24.0 +/-    0.29  0.100 / 0.240
G16     309.8          13.0               16.8 +/-    1.49      43.9 +/-    1.49  0.130 / 0.400
G18     253.6          47.9               19.7 +/-    0.64      25.5 +/-    0.64  0.090 / 0.300
G20     34.9           58.4               17.7 +/-    0.36      20.4 +/-    0.36  0.110 / 0.340
G21     321.3          53.0               19.3 +/-    1.43      23.6 +/-    1.43  0.120 / 0.290
G26     282.6          18.6               16.7 +/-    1.06      38.1 +/-    1.06  0.050 / 0.130
G29     158.8          59.5               20.7 +/-    0.86      23.7 +/-    0.86  0.060 / 0.130