PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/25-03:12:50
G08     266.5          16.3               11.6 +/-    1.68      28.0 +/-    1.68  0.180 / 0.430
G10     70.9           54.9                7.9 +/-    0.82       9.4 +/-    0.82  0.120 / 0.290
G11     308.7          19.4                6.6 +/-    1.23      14.8 +/-    1.23  0.190 / 0.360
G14     276.0          68.2                9.2 +/-    0.73       9.8 +/-    0.73  0.170 / 0.360
G18     309.5          36.4                7.8 +/-    0.81      12.0 +/-    0.81  0.040 / 0.060
G20     99.8           33.8                8.9 +/-    1.28      14.4 +/-    1.28  0.040 / 0.050
G21     155.9          11.8                5.9 +/-    2.14      15.9 +/-    2.14  0.090 / 0.100
G27     228.9          13.3               10.1 +/-    2.66      26.2 +/-    2.66  0.070 / 0.080
G31     176.1          36.3               10.4 +/-    1.84      16.1 +/-    1.84  0.170 / 0.410
G32     349.5          72.3                8.3 +/-    0.69       8.7 +/-    0.69  0.260 / 0.530