PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/04-17:43:00
G10     265.0          37.3               12.7 +/-    1.56      19.3 +/-    1.56  0.140 / 0.320
G13     42.7           19.5               10.1 +/-    0.98      22.4 +/-    0.98  0.160 / 0.270
G15     63.9           52.8               10.1 +/-    0.65      12.4 +/-    0.65  0.040 / 0.040
G16     281.3          12.8               11.0 +/-    2.50      28.8 +/-    2.50  0.050 / 0.050
G20     294.0          59.4               12.0 +/-    1.18      13.7 +/-    1.18  0.130 / 0.330
G21     2.6            71.2               10.9 +/-    0.55      11.5 +/-    0.55  0.120 / 0.360
G24     118.5          13.5               12.8 +/-    2.94      33.1 +/-    2.94  0.120 / 0.300
G27     320.2          15.8                9.9 +/-    2.12      24.1 +/-    2.12  0.170 / 0.290
G29     167.2          32.9               13.7 +/-    1.07      22.5 +/-    1.07  0.080 / 0.260