PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/22-06:12:40
G01     309.4          31.3                3.6 +/-    2.00       6.2 +/-    2.00  0.030 / 0.030
G10     102.0          43.5                3.9 +/-    0.78       5.4 +/-    0.78  0.030 / 0.030
G11     282.8          29.8                3.9 +/-    0.56       6.9 +/-    0.56  0.040 / 0.050
G14     354.0          67.8                2.3 +/-    0.49       2.4 +/-    0.49  0.040 / 0.040
G18     114.4          18.6                3.2 +/-    1.40       7.4 +/-    1.40  0.100 / 0.110
G22     308.5          24.4                4.0 +/-    1.91       8.0 +/-    1.91  0.080 / 0.120
G25     81.0           15.0                5.1 +/-    1.76      12.8 +/-    1.76  0.080 / 0.140
G31     169.0          61.6                5.0 +/-    0.31       5.6 +/-    0.31  0.080 / 0.110
G32     31.6           55.3                4.1 +/-    0.93       4.8 +/-    0.93  0.030 / 0.040