PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-21:42:30
G08     319.3          12.1                9.4 +/-    3.64      25.0 +/-    3.64  0.060 / 0.080
G10     316.8          57.6               13.2 +/-    0.77      15.4 +/-    0.77  0.070 / 0.070
G14     213.4          19.3               18.5 +/-    2.09      41.5 +/-    2.09  0.030 / 0.050
G15     45.7           19.1                8.8 +/-    1.08      19.9 +/-    1.08  0.040 / 0.040
G20     19.6           63.2               12.2 +/-    0.78      13.5 +/-    0.78  0.180 / 0.620
G21     120.9          67.0               15.3 +/-    0.38      16.5 +/-    0.38  0.180 / 0.540
G24     87.1           29.9               13.6 +/-    0.87      23.9 +/-    0.87  0.150 / 0.380
G27     288.3          37.6               12.2 +/-    1.06      18.4 +/-    1.06  0.170 / 0.310
G32     215.3          42.8               15.7 +/-    2.38      21.8 +/-    2.38  0.050 / 0.160