PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-08:13:00
G10     241.9          19.8                6.3 +/-    1.69      14.0 +/-    1.69  0.160 / 0.370
G13     64.5           34.1                5.6 +/-    0.53       9.0 +/-    0.53  0.150 / 0.390
G15     107.2          56.5                6.9 +/-    0.40       8.1 +/-    0.40  0.170 / 0.250
G16     311.3          12.0                2.1 +/-    2.27       5.5 +/-    2.27  0.090 / 0.140
G20     257.0          43.7                5.8 +/-    1.10       7.9 +/-    1.10  0.030 / 0.040
G21     326.3          55.5               -6.8 +/-    0.57      -8.0 +/-    0.57  0.030 / 0.050
G26     283.5          17.8                3.2 +/-    1.11       7.5 +/-    1.11  0.040 / 0.050
G29     156.5          57.0                7.6 +/-    1.12       8.9 +/-    1.12  0.040 / 0.060