PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-16:42:40
G10     258.2          33.0                9.5 +/-    1.73      15.6 +/-    1.73  0.050 / 0.050
G13     46.7           24.3                7.0 +/-    0.71      13.9 +/-    0.71  0.050 / 0.050
G15     73.7           56.3                7.6 +/-    0.67       8.9 +/-    0.67  0.100 / 0.360
G16     288.0          14.3                5.6 +/-    1.51      14.2 +/-    1.51  0.110 / 0.380
G20     282.4          56.0               10.3 +/-    1.15      12.2 +/-    1.15  0.070 / 0.180
G21     349.9          67.2                7.3 +/-    0.94       7.9 +/-    0.94  0.070 / 0.180
G26     261.7          11.9                8.7 +/-    2.57      23.3 +/-    2.57  0.030 / 0.040
G29     165.9          39.9                9.6 +/-    0.49      14.0 +/-    0.49  0.030 / 0.040