PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/01-19:12:50
G10     270.1          41.4                9.6 +/-    1.78      13.7 +/-    1.78  0.120 / 0.250
G13     40.4           15.3                7.9 +/-    2.22      19.6 +/-    2.22  0.130 / 0.230
G15     56.4           46.5                9.9 +/-    0.59      13.1 +/-    0.59  0.040 / 0.040
G16     276.2          11.9                8.5 +/-    1.77      22.8 +/-    1.77  0.040 / 0.050
G20     305.2          62.1                9.3 +/-    0.53      10.4 +/-    0.53  0.140 / 0.420
G21     7.4            72.7               10.3 +/-    0.58      10.8 +/-    0.58  0.140 / 0.500
G24     120.3          15.4               12.6 +/-    1.07      30.9 +/-    1.07  0.100 / 0.210
G27     317.8          20.5                9.1 +/-    5.00      19.8 +/-    5.00  0.090 / 0.210
G29     167.6          29.6               11.3 +/-    1.33      20.0 +/-    1.33  0.190 / 0.570
G32     204.1          11.7                9.1 +/-   25.96      24.5 +/-   25.96  0.170 / 0.790