PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/19-10:43:00
G01     309.4          32.2                5.1 +/-    1.21       8.6 +/-    1.21  0.110 / 0.100
G10     103.2          40.8                4.2 +/-    0.88       6.1 +/-    0.88  0.080 / 0.120
G11     283.9          28.0                3.5 +/-    1.04       6.5 +/-    1.04  0.050 / 0.060
G14     352.3          68.2                3.2 +/-    0.66       3.5 +/-    0.66  0.050 / 0.050
G18     279.0          50.6                3.6 +/-    0.91       4.5 +/-    0.91  0.040 / 0.050
G20     118.8          16.0                4.2 +/-    1.69      10.2 +/-    1.69  0.030 / 0.060
G22     310.1          28.0                2.3 +/-    1.22       4.3 +/-    1.22  0.040 / 0.030
G25     84.3           15.2                3.0 +/-    2.03       7.5 +/-    2.03  0.050 / 0.030
G31     169.8          61.1                5.4 +/-    0.94       6.0 +/-    0.94  0.100 / 0.120
G32     26.3           58.4                3.6 +/-    1.10       4.2 +/-    1.10  0.060 / 0.100