PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/13-05:43:00
G10     298.7          52.8                6.3 +/-    1.46       7.7 +/-    1.46  0.070 / 0.100
G14     209.8          12.1                4.1 +/-   17.76      11.0 +/-   17.76  0.060 / 0.080
G15     45.9           26.8                4.6 +/-    1.59       8.7 +/-    1.59  0.040 / 0.050
G20     353.0          65.3                4.0 +/-    1.55       4.4 +/-    1.55  0.040 / 0.040
G21     98.0           73.2                5.4 +/-    0.58       5.7 +/-    0.58  0.100 / 0.380
G24     97.0           26.5                7.3 +/-    1.13      13.7 +/-    1.13  0.160 / 0.420
G27     301.8          33.5                6.1 +/-    1.32      10.0 +/-    1.32  0.050 / 0.050
G32     211.0          28.3                7.2 +/-    2.63      13.1 +/-    2.63  0.030 / 0.040