PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-20:43:00
G10     270.1          41.3               13.3 +/-    1.73      19.0 +/-    1.73  0.040 / 0.040
G13     40.4           15.4                7.7 +/-    2.34      19.0 +/-    2.34  0.050 / 0.050
G15     57.5           48.1                9.4 +/-    0.40      12.2 +/-    0.40  0.170 / 0.280
G16     276.5          11.8               11.5 +/-    5.94      30.7 +/-    5.94  0.120 / 0.260
G20     304.0          61.7               10.7 +/-    0.85      12.0 +/-    0.85  0.120 / 0.570
G21     6.7            72.6               12.2 +/-    1.13      12.7 +/-    1.13  0.130 / 0.540
G24     120.1          15.4               16.1 +/-    1.37      39.5 +/-    1.37  0.040 / 0.050
G27     317.9          20.3               10.4 +/-    4.02      22.7 +/-    4.02  0.030 / 0.050
G29     167.5          29.4               15.5 +/-    0.69      27.5 +/-    0.69  0.130 / 0.220
G32     204.3          11.3               11.7 +/-   52.09      31.9 +/-   52.09  0.100 / 0.210