PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-08:12:50
G08     267.1          16.8                7.4 +/-    2.24      17.7 +/-    2.24  0.040 / 0.090
G10     66.1           57.3                4.0 +/-    0.59       4.7 +/-    0.59  0.050 / 0.060
G11     310.3          18.1                4.0 +/-    2.00       9.2 +/-    2.00  0.090 / 0.360
G14     266.8          63.8                5.5 +/-    0.71       6.0 +/-    0.71  0.070 / 0.430
G18     311.2          33.3                4.7 +/-    2.75       7.7 +/-    2.75  0.280 / 0.320
G20     103.4          21.0                5.0 +/-    0.86      10.8 +/-    0.86  0.280 / 0.460
G21     155.2          13.1                4.3 +/-    5.63      11.2 +/-    5.63  0.030 / 0.030
G27     229.5          13.9                4.1 +/-   20.00      10.5 +/-   20.00  0.030 / 0.040
G31     176.0          35.1                6.5 +/-    0.77      10.3 +/-    0.77  0.140 / 0.360
G32     353.9          72.0                4.6 +/-    0.34       4.8 +/-    0.34  0.160 / 0.420