PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-03:12:40
G10     268.4          40.1               13.4 +/-    1.11      19.5 +/-    1.11  0.040 / 0.040
G13     41.1           16.7                7.1 +/-    0.85      17.0 +/-    0.85  0.040 / 0.040
G15     57.3           47.0                7.6 +/-    0.59      10.0 +/-    0.59  0.090 / 0.190
G16     280.2          11.9               10.1 +/-    2.58      27.1 +/-    2.58  0.110 / 0.190
G20     299.6          60.6               10.0 +/-    0.76      11.3 +/-    0.76  0.070 / 0.080
G21     6.4            72.3               10.9 +/-    0.28      11.4 +/-    0.28  0.070 / 0.060
G24     119.7          14.8               10.9 +/-    1.72      27.3 +/-    1.72  0.160 / 0.540
G27     318.8          18.6                7.0 +/-    0.80      15.9 +/-    0.80  0.190 / 0.550
G29     166.3          28.3               10.8 +/-    0.67      19.6 +/-    0.67  0.110 / 0.300