PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/25-15:58:10
G08     279.4          21.1                8.0 +/-    0.96      17.1 +/-    0.96  0.070 / 0.190
G10     39.2           62.0                7.9 +/-    0.39       8.8 +/-    0.39  0.100 / 0.200
G14     247.0          58.1               10.0 +/-    0.73      11.5 +/-    0.73  0.030 / 0.040
G21     151.4          22.4                9.2 +/-    2.25      19.0 +/-    2.25  0.030 / 0.030
G24     45.3           18.1                6.3 +/-    0.74      14.4 +/-    0.74  0.060 / 0.120
G27     239.1          22.5                8.3 +/-    4.09      17.2 +/-    4.09  0.050 / 0.110
G31     180.5          19.8                9.8 +/-    1.50      21.7 +/-    1.50  0.100 / 0.260
G32     295.5          76.0                9.2 +/-    0.64       9.4 +/-    0.64  0.110 / 0.290