PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-21:57:50
G08     318.6          12.7                6.2 +/-    1.26      16.3 +/-    1.26  0.040 / 0.050
G10     319.0          58.0                6.7 +/-    0.87       7.7 +/-    0.87  0.040 / 0.040
G14     213.9          20.5                9.6 +/-    9.58      20.9 +/-    9.58  0.130 / 0.400
G15     45.8           18.6                7.1 +/-    2.34      16.2 +/-    2.34  0.120 / 0.220
G20     22.0           62.9                8.3 +/-    1.88       9.3 +/-    1.88  0.100 / 0.160
G21     123.0          66.0               10.5 +/-    0.53      11.4 +/-    0.53  0.150 / 0.330
G24     85.6           30.1                9.6 +/-    1.01      16.7 +/-    1.01  0.180 / 0.290
G27     286.8          37.8                5.8 +/-    1.80       8.8 +/-    1.80  0.130 / 0.230
G32     216.1          44.0               11.2 +/-    1.18      15.3 +/-    1.18  0.060 / 0.060