PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/21-23:13:10
G08     319.8          11.4                2.0 +/-   28.11       5.3 +/-   28.11  0.040 / 0.050
G10     317.4          57.7                9.5 +/-    0.82      11.0 +/-    0.82  0.040 / 0.040
G14     213.5          20.4               12.1 +/-    2.92      26.4 +/-    2.92  0.170 / 0.320
G15     45.7           18.7                6.1 +/-    1.20      13.9 +/-    1.20  0.110 / 0.330
G20     19.1           63.3                8.7 +/-    0.50       9.6 +/-    0.50  0.080 / 0.080
G21     121.7          66.7                9.0 +/-    1.04       9.7 +/-    1.04  0.050 / 0.090
G24     86.3           29.9                8.3 +/-    1.14      14.5 +/-    1.14  0.150 / 0.430
G27     287.9          37.6                8.9 +/-    1.01      13.6 +/-    1.01  0.150 / 0.320
G32     215.7          42.7               13.4 +/-    2.27      18.7 +/-    2.27  0.070 / 0.130