PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-22:28:00
G10     259.5          34.8               12.5 +/-    1.69      19.8 +/-    1.69  0.120 / 0.230
G13     45.6           22.7                8.2 +/-    2.27      16.9 +/-    2.27  0.180 / 0.300
G15     68.9           53.9               10.0 +/-    1.00      12.1 +/-    1.00  0.040 / 0.050
G16     286.4          14.5                8.5 +/-    3.65      21.5 +/-    3.65  0.040 / 0.040
G20     284.5          56.5               10.3 +/-    2.14      12.1 +/-    2.14  0.130 / 0.210
G21     346.6          66.1               10.6 +/-    0.79      11.5 +/-    0.79  0.090 / 0.190
G24     127.6          9.7               -13.6 +/-   25.66     -38.3 +/-   25.66  0.040 / 0.030
G26     259.6          11.4               12.2 +/-    3.93      32.9 +/-    3.93  0.040 / 0.040
G27     321.6          12.2                7.1 +/-    4.98      18.7 +/-    4.98  0.120 / 0.300
G29     165.8          39.3               12.2 +/-    0.76      17.9 +/-    0.76  0.090 / 0.350