PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-07:43:00
G01     257.9          38.1                6.3 +/-    0.85       9.4 +/-    0.85  0.050 / 0.060
G03     316.5          38.0                3.8 +/-    1.06       5.6 +/-    1.06  0.050 / 0.050
G11     241.8          15.2                4.1 +/-    1.51      10.2 +/-    1.51  0.040 / 0.080
G14     51.8           46.4                2.2 +/-    0.46       2.9 +/-    0.46  0.040 / 0.080
G18     225.4          31.9                6.6 +/-    1.07      11.0 +/-    1.07  0.120 / 0.320
G22     309.7          62.3                5.2 +/-    0.42       5.8 +/-    0.42  0.140 / 0.250
G25     43.9           12.9                0.1 +/-    1.05       0.3 +/-    1.05  0.060 / 0.090
G26     138.6          34.2               -8.9 +/-   32.31     -14.4 +/-   32.31  0.060 / 0.090
G31     43.3           61.7                4.5 +/-    0.31       5.0 +/-    0.31  0.070 / 0.110
G32     73.5           24.8                3.5 +/-    0.73       7.0 +/-    0.73  0.070 / 0.110