PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/19-22:12:50
G08     262.1          16.7               10.9 +/-    1.64      26.0 +/-    1.64  0.180 / 0.340
G10     68.1           56.5                8.7 +/-    0.39      10.2 +/-    0.39  0.200 / 0.380
G11     308.3          20.1               10.3 +/-    0.95      22.5 +/-    0.95  0.190 / 0.430
G14     275.3          68.1               11.2 +/-    0.63      12.0 +/-    0.63  0.240 / 0.450
G18     309.6          36.3               10.0 +/-    3.39      15.5 +/-    3.39  0.040 / 0.050
G20     98.8           34.2                9.2 +/-    0.84      14.8 +/-    0.84  0.040 / 0.040
G21     155.1          11.2               11.1 +/-    1.22      30.1 +/-    1.22  0.110 / 0.320
G27     230.5          13.9               11.7 +/-    3.71      29.9 +/-    3.71  0.110 / 0.320
G31     178.1          33.6               12.6 +/-    1.50      20.6 +/-    1.50  0.150 / 0.380
G32     352.0          72.1               10.7 +/-    0.51      11.2 +/-    0.51  0.140 / 0.340