PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-03:28:10
G10     288.8          49.5                8.2 +/-    3.16      10.4 +/-    3.16  0.110 / 0.090
G15     47.4           33.1                7.1 +/-    1.85      11.7 +/-    1.85  0.080 / 0.110
G20     335.9          65.0                9.0 +/-    0.69       9.8 +/-    0.69  0.110 / 0.130
G21     69.5           76.7                9.9 +/-    0.27      10.1 +/-    0.27  0.110 / 0.130
G24     104.8          23.6                8.5 +/-    0.82      17.2 +/-    0.82  0.040 / 0.030
G27     308.2          30.2                8.6 +/-    1.14      15.0 +/-    1.14  0.040 / 0.030
G29     167.1          12.2                9.8 +/-    2.48      26.2 +/-    2.48  0.060 / 0.100
G32     208.4          22.8               12.3 +/-    1.10      25.3 +/-    1.10  0.070 / 0.080