PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/29-01:12:40
G08     312.6          16.7                7.1 +/-    1.76      16.9 +/-    1.76  0.060 / 0.090
G10     334.9          60.5                6.5 +/-    0.35       7.4 +/-    0.35  0.060 / 0.080
G14     217.6          29.8               11.5 +/-    2.16      20.2 +/-    2.16  0.040 / 0.050
G15     47.0           10.2                7.4 +/-    4.39      20.6 +/-    4.39  0.040 / 0.050
G20     36.9           60.5                7.5 +/-    0.45       8.4 +/-    0.45  0.150 / 0.270
G21     134.2          58.0               10.2 +/-    0.49      11.8 +/-    0.49  0.150 / 0.210
G24     74.8           30.3                7.4 +/-    1.08      12.9 +/-    1.08  0.090 / 0.370
G27     275.8          37.6                8.9 +/-    1.83      13.5 +/-    1.83  0.110 / 0.630
G32     222.5          51.2                9.5 +/-    1.94      11.9 +/-    1.94  0.150 / 0.260