PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/22-01:27:30
G08     309.4          19.3               11.4 +/-    1.65      25.4 +/-    1.65  0.040 / 0.040
G10     327.3          59.1               11.4 +/-    1.32      13.1 +/-    1.32  0.030 / 0.040
G14     217.4          31.2               13.6 +/-    3.00      23.3 +/-    3.00  0.030 / 0.050
G15     46.4           13.4                8.2 +/-    0.52      21.2 +/-    0.52  0.030 / 0.050
G18     34.4           60.6               10.6 +/-    0.45      11.9 +/-    0.45  0.090 / 0.100
G21     132.3          58.0               12.5 +/-    0.60      14.5 +/-    0.60  0.300 / 0.210
G24     77.4           30.6               11.9 +/-    0.76      20.6 +/-    0.76  0.070 / 0.180
G27     274.8          37.8               12.2 +/-    1.09      18.4 +/-    1.09  0.060 / 0.170
G32     222.3          49.0               11.9 +/-    1.62      15.2 +/-    1.62  0.050 / 0.080