PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/05-17:27:50
G10     260.0          34.2                9.8 +/-    2.29      15.8 +/-    2.29  0.070 / 0.040
G13     45.5           23.0                7.8 +/-    2.03      16.0 +/-    2.03  0.050 / 0.040
G15     71.2           55.7                9.8 +/-    0.51      11.6 +/-    0.51  0.110 / 0.340
G16     286.0          14.0                7.5 +/-    2.21      19.0 +/-    2.21  0.130 / 0.390
G20     285.3          57.0                9.7 +/-    1.99      11.3 +/-    1.99  0.120 / 0.270
G21     352.3          68.1               10.5 +/-    0.41      11.2 +/-    0.41  0.130 / 0.200
G24     122.5          10.7               11.1 +/-   21.30      30.4 +/-   21.30  0.040 / 0.030
G26     259.8          11.1                6.3 +/-   15.22      17.2 +/-   15.22  0.040 / 0.040
G27     321.8          11.8                1.1 +/-   23.20       3.0 +/-   23.20  0.170 / 0.250
G29     166.4          38.2               12.9 +/-    0.98      19.3 +/-    0.98  0.270 / 0.420