PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/20-03:27:50
G01     321.0          11.9               -7.1 +/-   36.62     -18.9 +/-   36.62  0.310 / 0.490
G08     268.6          17.3               10.4 +/-    1.38      24.5 +/-    1.38  0.150 / 0.320
G10     66.7           56.1                8.7 +/-    0.88      10.3 +/-    0.88  0.040 / 0.050
G14     270.0          67.0               11.0 +/-    1.04      11.8 +/-    1.04  0.040 / 0.050
G18     311.2          34.5                7.0 +/-    0.92      11.3 +/-    0.92  0.130 / 0.320
G20     97.5           35.5                8.7 +/-    0.58      13.7 +/-    0.58  0.180 / 0.330
G21     155.6          14.1               10.1 +/-    2.80      25.7 +/-    2.80  0.070 / 0.110
G27     230.7          15.0               12.5 +/-    1.75      31.1 +/-    1.75  0.060 / 0.130
G31     176.7          33.6               10.9 +/-    2.17      17.8 +/-    2.17  0.050 / 0.030
G32     341.2          73.6                9.0 +/-    0.44       9.3 +/-    0.44  0.040 / 0.030