PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/12-03:12:40
G08     313.0          17.1                7.9 +/-    1.54      18.6 +/-    1.54  0.050 / 0.070
G10     324.8          58.8                9.4 +/-    0.64      10.8 +/-    0.64  0.050 / 0.060
G14     216.4          24.7               14.0 +/-    2.84      27.6 +/-    2.84  0.030 / 0.040
G15     46.3           15.6                8.3 +/-    1.58      20.5 +/-    1.58  0.030 / 0.050
G20     1.5            65.0               17.9 +/-    1.32      19.5 +/-    1.32  0.270 / 0.320
G21     129.9          61.7               12.2 +/-    0.40      13.7 +/-    0.40  0.060 / 0.080
G24     77.3           29.7                9.3 +/-    1.07      16.4 +/-    1.07  0.140 / 0.290
G27     280.0          37.7               10.2 +/-    1.55      15.4 +/-    1.55  0.090 / 0.280
G32     220.0          50.5               13.9 +/-    1.48      17.5 +/-    1.48  0.120 / 0.210