PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/26-15:43:10
G10     252.5          28.7                7.7 +/-    2.50      13.8 +/-    2.50  0.100 / 0.510
G13     51.5           28.3                4.3 +/-    2.06       7.8 +/-    2.06  0.110 / 0.450
G15     85.1           58.2                6.5 +/-    0.80       7.5 +/-    0.80  0.030 / 0.030
G16     294.5          15.1                2.9 +/-    2.10       7.3 +/-    2.10  0.040 / 0.030
G20     273.0          52.3                7.7 +/-    2.62       9.4 +/-    2.62  0.040 / 0.040
G21     340.7          63.3                5.1 +/-    0.40       5.7 +/-    0.40  0.040 / 0.050
G26     267.8          14.5                5.0 +/-    1.49      12.6 +/-    1.49  0.070 / 0.200
G29     164.3          46.5                7.1 +/-    0.51       9.3 +/-    0.51  0.070 / 0.120