PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/30-01:57:50
G08     312.9          17.4                8.0 +/-    2.38      18.7 +/-    2.38  0.070 / 0.090
G10     323.8          58.6                9.2 +/-    0.73      10.6 +/-    0.73  0.050 / 0.070
G14     216.1          24.8               13.0 +/-    5.00      25.5 +/-    5.00  0.110 / 0.290
G15     46.2           16.7                5.6 +/-    0.65      13.4 +/-    0.65  0.090 / 0.290
G20     334.8          62.4                9.6 +/-    0.53      10.7 +/-    0.53  0.040 / 0.030
G21     129.1          62.4                9.5 +/-    0.61      10.6 +/-    0.61  0.040 / 0.040
G24     77.7           29.5                7.6 +/-    0.47      13.5 +/-    0.47  0.290 / 0.250
G27     280.9          37.7               10.0 +/-    1.49      15.1 +/-    1.49  0.060 / 0.090
G32     219.5          49.9               10.5 +/-    0.98      13.3 +/-    0.98  0.040 / 0.050