PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/30-03:43:00
G08     298.5          21.8                7.7 +/-    1.17      16.3 +/-    1.17  0.050 / 0.090
G10     4.4            62.7                7.1 +/-    0.33       7.9 +/-    0.33  0.040 / 0.080
G14     226.8          43.6               12.3 +/-    1.07      16.9 +/-    1.07  0.060 / 0.100
G20     61.0           53.9                6.1 +/-    0.61       7.3 +/-    0.61  0.050 / 0.120
G21     145.3          43.7                9.0 +/-    0.90      12.4 +/-    0.90  0.020 / 0.030
G24     59.0           26.8                4.0 +/-    2.04       7.6 +/-    2.04  0.030 / 0.030
G27     258.5          33.4                8.7 +/-    2.31      14.2 +/-    2.31  0.050 / 0.090
G32     238.8          63.5               10.5 +/-    1.10      11.6 +/-    1.10  0.060 / 0.110