PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/22-01:28:00
G08     309.4          19.3                9.7 +/-    1.15      21.6 +/-    1.15  0.120 / 0.060
G10     327.3          59.1               10.7 +/-    0.70      12.2 +/-    0.70  0.070 / 0.070
G14     217.4          31.2               13.3 +/-    1.68      22.8 +/-    1.68  0.050 / 0.030
G15     46.4           13.4                8.6 +/-    2.19      22.1 +/-    2.19  0.050 / 0.050
G18     34.4           60.6               12.4 +/-    1.07      14.0 +/-    1.07  0.080 / 0.100
G21     132.3          58.0               12.3 +/-    0.37      14.2 +/-    0.37  0.250 / 0.210
G24     77.4           30.6               10.7 +/-    0.81      18.5 +/-    0.81  0.050 / 0.070
G27     274.8          37.8               12.1 +/-    2.00      18.2 +/-    2.00  0.090 / 0.070
G32     222.3          49.0               10.8 +/-    1.91      13.7 +/-    1.91  0.130 / 0.130