PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/03-00:42:50
G08     316.1          14.5                7.1 +/-    1.44      17.8 +/-    1.44  0.060 / 0.080
G10     326.6          59.3               10.3 +/-    1.00      11.8 +/-    1.00  0.060 / 0.080
G14     215.5          25.6               11.2 +/-    1.55      21.5 +/-    1.55  0.040 / 0.040
G15     46.2           13.9                5.3 +/-    1.95      13.6 +/-    1.95  0.030 / 0.030
G20     28.7           62.0                8.8 +/-    0.63       9.9 +/-    0.63  0.080 / 0.290
G21     129.2          62.1                9.9 +/-    0.74      11.1 +/-    0.74  0.090 / 0.270
G24     80.0           30.3                8.6 +/-    0.66      15.0 +/-    0.66  0.040 / 0.050
G27     281.4          37.9                9.5 +/-    1.51      14.3 +/-    1.51  0.040 / 0.050
G32     219.1          47.2               12.1 +/-    0.97      15.9 +/-    0.97  0.130 / 0.320