PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/04-23:57:30
G10     298.3          52.8               10.8 +/-    0.71      13.2 +/-    0.71  0.050 / 0.090
G15     46.2           28.3                6.1 +/-    1.63      11.1 +/-    1.63  0.060 / 0.080
G20     351.2          65.2                8.1 +/-    1.03       8.8 +/-    1.03  0.040 / 0.050
G21     92.6           75.0               11.1 +/-    0.82      11.4 +/-    0.82  0.040 / 0.060
G24     99.1           26.5               12.3 +/-    1.59      23.3 +/-    1.59  0.040 / 0.050
G27     301.7          33.9               11.2 +/-    1.45      18.2 +/-    1.45  0.040 / 0.030
G32     210.1          30.8               11.9 +/-    2.49      20.6 +/-    2.49  0.100 / 0.170