PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/28-20:42:50
G08     317.1          14.0                9.0 +/-    2.98      22.9 +/-    2.98  0.040 / 0.050
G10     321.4          58.5               11.8 +/-    0.80      13.6 +/-    0.80  0.040 / 0.050
G14     214.4          21.1               14.6 +/-    3.35      31.4 +/-    3.35  0.170 / 0.220
G15     45.9           16.2               10.0 +/-    3.35      24.2 +/-    3.35  0.110 / 0.180
G20     25.8           62.3               14.1 +/-    2.36      15.7 +/-    2.36  0.180 / 0.350
G21     125.1          64.7               14.5 +/-    0.72      15.8 +/-    0.72  0.130 / 0.320
G24     84.4           30.3               12.2 +/-    1.18      21.2 +/-    1.18  0.240 / 0.190
G27     285.0          38.0                8.9 +/-    2.03      13.4 +/-    2.03  0.300 / 0.280
G32     216.8          45.7               13.6 +/-    1.16      18.2 +/-    1.16  0.070 / 0.090