PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/28-01:43:00
G08     292.1          23.5                6.4 +/-    1.28      13.0 +/-    1.28  0.040 / 0.100
G10     4.1            63.1                6.0 +/-    0.53       6.7 +/-    0.53  0.040 / 0.100
G14     230.0          47.8               10.3 +/-    1.12      13.3 +/-    1.12  0.050 / 0.110
G18     61.9           52.1                7.6 +/-    0.53       9.4 +/-    0.53  0.050 / 0.110
G21     145.7          40.1               10.8 +/-    1.17      15.6 +/-    1.17  0.050 / 0.030
G24     57.8           26.9                7.5 +/-    0.53      14.1 +/-    0.53  0.040 / 0.030
G27     253.1          31.6               10.2 +/-    1.57      17.3 +/-    1.57  0.060 / 0.080
G32     244.0          65.3                8.8 +/-    0.86       9.6 +/-    0.86  0.060 / 0.080