PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-01:57:40
G08     285.3          23.3                7.6 +/-    1.18      15.4 +/-    1.18  0.100 / 0.110
G10     22.2           62.9                5.1 +/-    0.36       5.7 +/-    0.36  0.100 / 0.150
G14     235.9          50.8                9.5 +/-    0.66      11.8 +/-    0.66  0.060 / 0.110
G18     317.5          15.4                5.5 +/-    1.55      13.4 +/-    1.55  0.050 / 0.120
G20     17.5           67.1                9.2 +/-    0.60       9.9 +/-    0.60  0.050 / 0.080
G21     149.7          35.0                8.3 +/-    2.15      13.2 +/-    2.15  0.060 / 0.080
G24     49.5           21.2                4.6 +/-    1.03       9.9 +/-    1.03  0.080 / 0.190
G27     248.0          28.2                8.7 +/-    2.13      15.8 +/-    2.13  0.090 / 0.160
G31     181.0          13.6               12.6 +/-    2.42      32.4 +/-    2.42  0.080 / 0.180
G32     266.2          74.2                8.5 +/-    0.66       8.8 +/-    0.66  0.080 / 0.170