PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/08-23:42:40
G05     50.2           13.3                7.7 +/-    2.00      19.9 +/-    2.00  0.280 / 0.230
G10     238.6          16.8               13.6 +/-    1.90      32.3 +/-    1.90  0.090 / 0.250
G13     69.8           34.8               10.3 +/-    0.76      16.4 +/-    0.76  0.050 / 0.060
G15     116.4          54.7               12.0 +/-    1.00      14.3 +/-    1.00  0.060 / 0.060
G16     311.5          13.2                8.0 +/-    4.81      20.7 +/-    4.81  0.090 / 0.120
G20     252.0          39.7               12.8 +/-    1.68      18.7 +/-    1.68  0.110 / 0.120
G21     317.1          49.1               10.3 +/-    0.93      13.1 +/-    0.93  0.030 / 0.040
G26     284.1          19.6                8.6 +/-    2.13      19.1 +/-    2.13  0.030 / 0.040
G29     155.5          66.8               12.8 +/-    0.45      13.8 +/-    0.45  0.110 / 0.210