PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-07:27:50
G01     311.6          30.4                6.1 +/-    1.66      10.6 +/-    1.66  0.100 / 0.160
G10     99.8           42.7                6.4 +/-    0.68       8.9 +/-    0.68  0.110 / 0.140
G11     287.8          27.4                7.4 +/-    1.17      13.6 +/-    1.17  0.040 / 0.040
G14     342.9          69.5                4.6 +/-    0.65       4.9 +/-    0.65  0.050 / 0.040
G18     285.0          49.5                6.2 +/-    1.02       7.8 +/-    1.02  0.110 / 0.100
G20     116.8          18.4                5.5 +/-    1.83      12.6 +/-    1.83  0.110 / 0.120
G22     308.3          22.9                5.8 +/-    1.11      11.8 +/-    1.11  0.040 / 0.040
G25     88.4           14.3                4.6 +/-    1.89      11.6 +/-    1.89  0.040 / 0.050
G31     169.5          58.8                6.9 +/-    0.67       7.9 +/-    0.67  0.140 / 0.320
G32     25.2           59.1                4.4 +/-    0.92       5.0 +/-    0.92  0.190 / 0.270