PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/15-21:27:30
G08     320.0          11.5                5.1 +/-   27.76      13.9 +/-   27.76  0.060 / 0.100
G10     314.7          57.1               12.8 +/-    1.40      14.9 +/-    1.40  0.050 / 0.080
G14     213.0          18.1               16.0 +/-    1.66      36.9 +/-    1.66  0.040 / 0.050
G15     45.7           20.0                8.1 +/-    0.86      17.9 +/-    0.86  0.040 / 0.040
G20     17.1           63.5               12.6 +/-    0.55      14.0 +/-    0.55  0.140 / 0.450
G21     118.7          68.0               12.6 +/-    0.67      13.5 +/-    0.67  0.150 / 0.620
G24     88.6           29.6               12.1 +/-    0.87      21.3 +/-    0.87  0.140 / 0.310
G27     289.9          37.4               11.4 +/-    1.19      17.3 +/-    1.19  0.150 / 0.320
G32     214.6          41.7               16.5 +/-    1.25      23.3 +/-    1.25  0.060 / 0.150