PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/17-21:12:50
G10     271.6          40.9               11.6 +/-    1.54      16.6 +/-    1.54  0.040 / 0.050
G13     40.1           14.9                9.0 +/-    3.60      22.4 +/-    3.60  0.040 / 0.040
G15     58.7           50.6               11.1 +/-    0.62      13.9 +/-    0.62  0.120 / 0.310
G16     274.6          10.8                7.9 +/-   16.54      21.8 +/-   16.54  0.110 / 0.310
G20     305.6          62.0               11.0 +/-    0.74      12.2 +/-    0.74  0.250 / 0.190
G21     14.2           74.1               12.2 +/-    0.51      12.6 +/-    0.51  0.180 / 0.210
G24     114.5          16.8               13.9 +/-    1.15      33.0 +/-    1.15  0.130 / 0.190
G27     317.2          21.1               10.2 +/-    2.20      21.8 +/-    2.20  0.140 / 0.210
G29     168.4          27.5               14.0 +/-    1.03      25.8 +/-    1.03  0.250 / 0.480
G32     204.6          13.8               15.0 +/-    3.47      38.3 +/-    3.47  0.100 / 0.270