PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/01-01:12:40
G10     264.1          35.6               12.9 +/-    3.79      20.2 +/-    3.79  0.100 / 0.100
G13     43.8           21.6                7.1 +/-    4.67      15.1 +/-    4.67  0.090 / 0.070
G15     64.5           52.7                7.9 +/-    3.56       9.7 +/-    3.56  0.050 / 0.030
G16     283.1          12.2               11.9 +/-    2.51      31.5 +/-    2.51  0.060 / 0.040
G18     292.8          62.5                9.2 +/-    2.31      10.3 +/-    2.31  0.130 / 0.310
G20     53.5           35.4                8.8 +/-    2.04      13.9 +/-    2.04  0.280 / 0.470
G21     356.4          70.3                9.1 +/-    2.22       9.6 +/-    2.22  0.140 / 0.300
G24     123.6          12.3               10.8 +/-    5.99      28.6 +/-    5.99  0.230 / 0.250
G27     318.9          18.3               11.1 +/-    4.80      25.4 +/-    4.80  0.060 / 0.080
G29     167.0          31.8               12.6 +/-    2.49      21.2 +/-    2.49  0.070 / 0.090