PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/09-04:12:50
G08     268.0          17.3                9.9 +/-    1.19      23.3 +/-    1.19  0.130 / 0.310
G10     66.7           56.2                7.7 +/-    0.60       9.1 +/-    0.60  0.150 / 0.340
G11     310.3          18.2               -0.6 +/-   15.08      -1.3 +/-   15.08  0.030 / 0.030
G14     270.4          67.3                8.4 +/-    1.05       9.0 +/-    1.05  0.040 / 0.030
G18     311.1          34.5                5.9 +/-    1.07       9.5 +/-    1.07  0.250 / 0.370
G20     97.5           35.4                7.0 +/-    0.83      11.0 +/-    0.83  0.150 / 0.350
G21     155.5          14.0                6.5 +/-    3.39      16.7 +/-    3.39  0.070 / 0.050
G27     230.8          15.0               10.4 +/-    2.40      25.8 +/-    2.40  0.070 / 0.050
G31     176.8          33.5                7.9 +/-    1.47      12.8 +/-    1.47  0.060 / 0.130
G32     339.7          73.7                7.9 +/-    0.44       8.2 +/-    0.44  0.050 / 0.140