PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-22:58:10
G08     269.2          17.9                9.7 +/-    1.75      22.4 +/-    1.75  0.200 / 0.380
G10     64.7           56.5                9.8 +/-    0.82      11.5 +/-    0.82  0.170 / 0.510
G14     264.0          64.5                9.9 +/-    0.83      10.9 +/-    0.83  0.060 / 0.050
G18     312.1          33.1                7.8 +/-    1.11      12.8 +/-    1.11  0.050 / 0.050
G20     97.0           34.9                9.5 +/-    0.91      15.1 +/-    0.91  0.100 / 0.140
G21     155.5          15.5               11.7 +/-    2.60      28.8 +/-    2.60  0.090 / 0.110
G24     40.1           10.2                6.5 +/-    1.81      18.1 +/-    1.81  0.130 / 0.190
G27     231.2          15.8               11.9 +/-    2.28      29.0 +/-    2.28  0.140 / 0.230
G31     177.0          32.1               12.8 +/-    1.75      21.4 +/-    1.75  0.240 / 0.270
G32     343.7          73.9                8.4 +/-    0.36       8.7 +/-    0.36  0.160 / 0.270