PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/15-21:27:40
G08     320.0          11.5                3.7 +/-   32.36      10.1 +/-   32.36  0.040 / 0.040
G10     314.7          57.1               10.9 +/-    2.04      12.8 +/-    2.04  0.030 / 0.030
G14     213.0          18.1               16.4 +/-    2.28      37.8 +/-    2.28  0.130 / 0.420
G15     45.7           20.0                9.6 +/-    2.33      21.1 +/-    2.33  0.140 / 0.390
G20     17.1           63.5               12.3 +/-    0.62      13.5 +/-    0.62  0.210 / 0.200
G21     118.7          68.0               14.2 +/-    1.11      15.2 +/-    1.11  0.210 / 0.350
G24     88.6           29.6               13.4 +/-    1.68      23.6 +/-    1.68  0.060 / 0.060
G27     289.9          37.4                8.9 +/-    1.58      13.6 +/-    1.58  0.060 / 0.070
G32     214.6          41.7               14.8 +/-    1.24      20.9 +/-    1.24  0.060 / 0.080