PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-13:12:50
G01     316.8          23.2                4.6 +/-    1.25       9.4 +/-    1.25  0.190 / 0.140
G10     88.8           48.8                6.2 +/-    0.91       8.0 +/-    0.91  0.120 / 0.120
G11     296.4          26.0                7.6 +/-    1.58      14.6 +/-    1.58  0.040 / 0.050
G14     318.8          71.6                5.7 +/-    0.50       6.0 +/-    0.50  0.050 / 0.040
G18     295.7          46.9                5.5 +/-    8.21       7.3 +/-    8.21  0.030 / 0.030
G20     110.4          24.6                5.5 +/-    2.54      10.9 +/-    2.54  0.030 / 0.040
G22     304.6          17.2                5.4 +/-    2.52      12.8 +/-    2.52  0.030 / 0.030
G25     94.1           10.7              -11.0 +/-   29.13     -30.2 +/-   29.13  0.040 / 0.030
G31     176.9          46.2                8.4 +/-    0.85      11.2 +/-    0.85  0.110 / 0.210
G32     9.6            65.9                5.4 +/-    0.76       5.9 +/-    0.76  0.130 / 0.210