PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-05:12:50
G08     266.3          16.9                7.5 +/-    0.88      17.9 +/-    0.88  0.190 / 0.290
G10     68.7           55.7                4.3 +/-    0.57       5.1 +/-    0.57  0.110 / 0.360
G11     309.3          19.1                2.0 +/-    3.08       4.5 +/-    3.08  0.030 / 0.030
G14     274.0          68.1                5.0 +/-    0.82       5.3 +/-    0.82  0.030 / 0.030
G18     310.3          35.6                3.8 +/-    0.74       6.0 +/-    0.74  0.220 / 0.380
G20     98.7           34.5                4.2 +/-    1.90       6.7 +/-    1.90  0.270 / 0.410
G21     155.6          12.6                4.1 +/-    3.54      10.7 +/-    3.54  0.050 / 0.050
G27     230.0          14.2                7.2 +/-    2.11      18.3 +/-    2.11  0.060 / 0.040
G31     176.7          34.6                4.0 +/-    1.38       6.4 +/-    1.38  0.150 / 0.230
G32     341.9          73.2                4.2 +/-    0.43       4.4 +/-    0.43  0.160 / 0.240