PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-16:58:00
G10     261.2          35.0                8.0 +/-    1.14      12.7 +/-    1.14  0.120 / 0.200
G13     44.8           22.1                7.0 +/-    1.14      14.6 +/-    1.14  0.110 / 0.180
G15     68.8           54.7                6.6 +/-    0.34       7.9 +/-    0.34  0.040 / 0.050
G16     285.0          13.7                5.7 +/-    2.09      14.6 +/-    2.09  0.050 / 0.050
G20     287.5          57.6                8.9 +/-    1.03      10.4 +/-    1.03  0.120 / 0.330
G21     355.5          69.1                8.9 +/-    0.64       9.5 +/-    0.64  0.140 / 0.310
G24     121.3          11.4                9.8 +/-    2.25      26.4 +/-    2.25  0.100 / 0.360
G26     259.0          10.5                6.3 +/-    3.11      17.5 +/-    3.11  0.090 / 0.290
G27     321.5          12.7                6.2 +/-    3.44      16.2 +/-    3.44  0.070 / 0.300
G29     166.5          36.6                8.6 +/-    1.06      13.3 +/-    1.06  0.090 / 0.270