PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-21:27:40
G08     318.8          12.6                9.0 +/-    2.70      23.7 +/-    2.70  0.040 / 0.040
G10     317.9          57.8               10.3 +/-    1.27      11.9 +/-    1.27  0.040 / 0.040
G14     213.7          19.7               14.8 +/-   14.44      32.7 +/-   14.44  0.250 / 0.520
G15     45.7           18.4                8.2 +/-    2.61      18.8 +/-    2.61  0.280 / 0.390
G20     21.2           63.0               10.2 +/-    1.03      11.3 +/-    1.03  0.100 / 0.150
G21     122.0          66.4               12.4 +/-    0.48      13.4 +/-    0.48  0.230 / 0.270
G24     86.4           30.0               10.6 +/-    1.10      18.5 +/-    1.10  0.210 / 0.270
G27     287.5          37.7                7.6 +/-    1.26      11.5 +/-    1.26  0.110 / 0.190
G32     215.7          43.6               14.2 +/-    1.01      19.6 +/-    1.01  0.030 / 0.040