PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-05:42:40
G01     123.3          12.9                6.1 +/-    3.00      15.8 +/-    3.00  0.050 / 0.030
G07     61.9           68.7                5.8 +/-    0.71       6.2 +/-    0.71  0.040 / 0.040
G08     49.2           38.3                3.6 +/-    0.42       5.3 +/-    0.42  0.060 / 0.110
G09     175.8          31.8                8.1 +/-    0.90      13.7 +/-    0.90  0.070 / 0.100
G11     118.8          37.6                7.6 +/-    0.83      11.4 +/-    0.83  0.120 / 0.410
G13     320.0          14.8                2.3 +/-    2.05       5.7 +/-    2.05  0.110 / 0.490
G17     199.7          16.3                6.8 +/-    1.24      16.5 +/-    1.24  0.030 / 0.030
G28     271.1          47.8                9.0 +/-    0.88      11.7 +/-    0.88  0.030 / 0.030
G30     331.2          60.3                5.0 +/-    0.66       5.7 +/-    0.66  0.070 / 0.090