PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/30-18:12:40
G05     52.1           11.1               11.4 +/-    2.42      31.0 +/-    2.42  0.030 / 0.060
G10     243.0          21.8               17.6 +/-    1.96      37.2 +/-    1.96  0.040 / 0.050
G13     62.3           32.9               12.0 +/-    1.09      19.8 +/-    1.09  0.130 / 0.510
G15     105.0          57.1               13.7 +/-    0.74      15.9 +/-    0.74  0.150 / 0.490
G16     304.2          15.4               10.6 +/-    2.08      26.1 +/-    2.08  0.070 / 0.130
G20     259.6          45.8               14.8 +/-    2.79      19.7 +/-    2.79  0.070 / 0.130
G21     323.2          53.1               13.4 +/-    0.76      16.4 +/-    0.76  0.030 / 0.030
G26     277.1          18.5               12.9 +/-    0.94      29.4 +/-    0.94  0.030 / 0.040
G29     160.2          61.6               13.9 +/-    0.44      15.6 +/-    0.44  0.190 / 0.270