PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/29-02:42:40
G10     270.6          40.2                9.9 +/-    1.00      14.4 +/-    1.00  0.040 / 0.040
G13     40.5           15.8                7.7 +/-    2.20      18.7 +/-    2.20  0.040 / 0.040
G15     56.9           47.7                6.7 +/-    0.61       8.7 +/-    0.61  0.110 / 0.240
G16     274.8          11.0                7.6 +/-    3.00      20.7 +/-    3.00  0.120 / 0.210
G20     296.8          58.6                8.1 +/-    0.74       9.4 +/-    0.74  0.140 / 0.580
G21     8.8            73.5                9.7 +/-    0.45      10.1 +/-    0.45  0.120 / 0.670
G24     116.7          16.2                9.6 +/-    1.76      23.1 +/-    1.76  0.120 / 0.210
G27     317.0          21.4                5.2 +/-    4.11      11.0 +/-    4.11  0.080 / 0.190
G29     168.7          28.6                9.9 +/-    1.35      17.9 +/-    1.35  0.080 / 0.120
G32     204.3          13.7               12.6 +/-    0.98      32.2 +/-    0.98  0.050 / 0.120