PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-18:28:10
G08     316.8          15.0                6.5 +/-    1.24      16.1 +/-    1.24  0.030 / 0.030
G10     312.7          56.3                8.1 +/-    1.72       9.5 +/-    1.72  0.030 / 0.040
G14     212.9          20.6               10.8 +/-   10.14      23.5 +/-   10.14  0.170 / 0.310
G15     45.7           22.2                7.2 +/-    2.56      15.0 +/-    2.56  0.090 / 0.420
G20     14.8           64.0                8.1 +/-    0.64       9.0 +/-    0.64  0.080 / 0.110
G21     120.3          65.4               11.4 +/-    0.58      12.4 +/-    0.58  0.060 / 0.100
G24     82.7           28.2               10.5 +/-    1.55      19.0 +/-    1.55  0.220 / 0.330
G27     291.5          36.2                9.1 +/-    1.03      14.1 +/-    1.03  0.120 / 0.280
G32     215.1          41.3               10.8 +/-    1.44      15.4 +/-    1.44  0.170 / 0.160