PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-21:13:10
G10     307.1          55.4               11.5 +/-    0.93      13.6 +/-    0.93  0.070 / 0.100
G14     211.6          13.9               20.1 +/-    1.80      51.4 +/-    1.80  0.070 / 0.080
G15     45.7           23.9                8.3 +/-    1.63      16.6 +/-    1.63  0.040 / 0.040
G20     7.1            64.5               11.7 +/-    0.77      12.9 +/-    0.77  0.040 / 0.050
G21     109.0          71.5               12.2 +/-    0.68      12.8 +/-    0.68  0.120 / 0.680
G24     93.8           28.5               12.2 +/-    0.84      22.2 +/-    0.84  0.120 / 0.610
G27     295.3          36.2               12.2 +/-    1.45      19.0 +/-    1.45  0.060 / 0.130
G32     212.2          37.3               15.5 +/-    1.69      23.7 +/-    1.69  0.050 / 0.130