PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-02:43:00
G08     266.4          18.4                9.0 +/-    2.13      20.7 +/-    2.13  0.240 / 0.220
G10     60.8           58.4                7.4 +/-    1.03       8.6 +/-    1.03  0.160 / 0.210
G11     311.3          17.5               -1.8 +/-   14.82      -4.3 +/-   14.82  0.160 / 0.330
G14     264.3          64.8                9.2 +/-    1.02      10.0 +/-    1.02  0.150 / 0.420
G18     312.5          31.6                5.3 +/-    1.68       9.0 +/-    1.68  0.030 / 0.030
G20     65.9           63.7               26.1 +/-    1.16      28.7 +/-    1.16  0.030 / 0.020
G21     155.0          16.7                8.5 +/-    2.62      20.4 +/-    2.62  0.150 / 0.290
G27     232.2          16.2               11.9 +/-    2.80      28.7 +/-    2.80  0.240 / 0.230
G31     176.7          31.8               11.1 +/-    0.94      18.8 +/-    0.94  0.050 / 0.050
G32     345.0          73.9                6.7 +/-    0.29       6.9 +/-    0.29  0.050 / 0.040