PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-13:12:50
G01     315.9          24.7                4.5 +/-    1.82       8.9 +/-    1.82  0.030 / 0.040
G10     91.2           47.6                4.5 +/-    0.66       5.8 +/-    0.66  0.030 / 0.040
G11     294.5          26.5                3.6 +/-    1.51       6.7 +/-    1.51  0.040 / 0.050
G14     324.8          71.3                4.6 +/-    0.80       4.8 +/-    0.80  0.040 / 0.050
G18     293.2          47.9                5.3 +/-    1.66       6.8 +/-    1.66  0.090 / 0.150
G20     111.8          23.2                4.5 +/-    1.66       9.1 +/-    1.66  0.140 / 0.170
G22     305.4          18.7                3.2 +/-    2.23       7.4 +/-    2.23  0.120 / 0.330
G25     92.4           11.5               -5.3 +/-   33.09     -14.3 +/-   33.09  0.130 / 0.410
G31     176.4          48.4                6.4 +/-    1.48       8.3 +/-    1.48  0.100 / 0.180
G32     12.9           64.6                2.7 +/-    0.68       3.0 +/-    0.68  0.090 / 0.170