PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/09-17:13:00
G10     260.6          34.6               10.8 +/-    1.69      17.2 +/-    1.69  0.040 / 0.030
G13     45.1           22.6                8.9 +/-    2.29      18.5 +/-    2.29  0.040 / 0.040
G15     70.0           55.2               11.0 +/-    0.70      13.1 +/-    0.70  0.250 / 0.480
G16     285.5          13.9                7.9 +/-    1.82      20.2 +/-    1.82  0.300 / 0.690
G20     286.4          57.3               10.2 +/-    1.67      11.8 +/-    1.67  0.200 / 0.240
G21     353.9          68.6               10.7 +/-    0.72      11.4 +/-    0.72  0.150 / 0.170
G24     121.9          11.1               14.5 +/-    2.09      39.6 +/-    2.09  0.040 / 0.030
G26     259.4          10.8                8.3 +/-    1.26      22.8 +/-    1.26  0.040 / 0.030
G27     321.7          12.2                5.5 +/-   12.76      14.5 +/-   12.76  0.320 / 0.400
G29     166.5          37.4               14.2 +/-    0.72      21.6 +/-    0.72  0.260 / 0.320