PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-00:12:40
G10     254.1          28.6               11.4 +/-    1.20      20.6 +/-    1.20  0.080 / 0.120
G13     50.9           28.9                8.7 +/-    0.92      15.6 +/-    0.92  0.080 / 0.140
G15     81.3           57.5                9.8 +/-    0.46      11.4 +/-    0.46  0.030 / 0.040
G16     293.5          14.2                9.5 +/-    1.48      24.2 +/-    1.48  0.040 / 0.050
G18     274.5          57.6               11.2 +/-    0.80      13.0 +/-    0.80  0.070 / 0.080
G20     46.4           43.9                8.7 +/-    0.62      11.9 +/-    0.62  0.050 / 0.060
G21     339.0          63.3               10.3 +/-    0.69      11.3 +/-    0.69  0.110 / 0.260
G26     266.0          13.8               11.6 +/-    1.78      29.6 +/-    1.78  0.120 / 0.260
G29     165.0          42.8               13.4 +/-    1.51      18.7 +/-    1.51  0.050 / 0.080