PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-00:43:00
G10     267.3          37.6                9.8 +/-    1.52      14.9 +/-    1.52  0.210 / 0.390
G13     42.3           19.4                8.4 +/-    2.57      18.7 +/-    2.57  0.220 / 0.290
G15     60.2           50.2                9.1 +/-    1.07      11.5 +/-    1.07  0.040 / 0.030
G16     280.5          11.3               10.5 +/-    1.41      28.6 +/-    1.41  0.040 / 0.030
G18     299.7          63.9                9.3 +/-    0.56      10.2 +/-    0.56  0.180 / 0.250
G20     55.5           33.2                7.8 +/-    1.39      12.8 +/-    1.39  0.170 / 0.250
G21     4.2            72.3                9.4 +/-    0.88       9.9 +/-    0.88  0.060 / 0.060
G24     121.1          14.1               13.1 +/-    2.44      33.2 +/-    2.44  0.080 / 0.060
G27     317.5          20.7                9.6 +/-    2.88      20.7 +/-    2.88  0.220 / 0.170
G29     167.2          28.3               12.9 +/-    1.21      23.5 +/-    1.21  0.140 / 0.190