PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/30-22:27:50
G08     268.0          17.6               10.9 +/-    2.15      25.4 +/-    2.15  0.160 / 0.600
G10     66.1           56.1               10.2 +/-    0.61      12.0 +/-    0.61  0.240 / 0.570
G14     265.3          64.7               10.0 +/-    0.68      10.9 +/-    0.68  0.050 / 0.060
G18     311.7          33.7                8.4 +/-    1.08      13.7 +/-    1.08  0.040 / 0.050
G20     97.9           34.1               10.0 +/-    1.15      16.2 +/-    1.15  0.150 / 0.190
G21     155.6          14.6               11.5 +/-    2.32      28.8 +/-    2.32  0.140 / 0.240
G24     39.8           9.7                 7.6 +/-    2.22      21.2 +/-    2.22  0.090 / 0.130
G27     230.6          15.3               14.1 +/-    2.02      34.8 +/-    2.02  0.090 / 0.120
G31     176.9          32.9               11.6 +/-    2.10      19.2 +/-    2.10  0.270 / 0.270
G32     346.9          73.4                9.1 +/-    0.60       9.5 +/-    0.60  0.160 / 0.280