PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-19:58:00
G10     259.3          33.6               10.8 +/-    1.22      17.7 +/-    1.22  0.130 / 0.240
G13     46.0           23.6                9.7 +/-    1.42      19.5 +/-    1.42  0.120 / 0.300
G15     74.8           57.5               10.9 +/-    0.54      12.7 +/-    0.54  0.170 / 0.360
G16     285.8          14.3                7.9 +/-    1.63      19.9 +/-    1.63  0.110 / 0.430
G20     284.1          56.6               11.2 +/-    1.17      13.1 +/-    1.17  0.040 / 0.050
G21     348.3          67.0                9.8 +/-    1.04      10.6 +/-    1.04  0.050 / 0.050
G24     123.9          10.2              -11.2 +/-   38.83     -31.1 +/-   38.83  0.070 / 0.230
G26     259.2          11.4               10.9 +/-    1.56      29.4 +/-    1.56  0.080 / 0.280
G27     321.8          11.7                6.0 +/-   18.03      16.0 +/-   18.03  0.170 / 0.260
G29     166.8          39.7               13.4 +/-    0.98      19.6 +/-    0.98  0.160 / 0.310