PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/24-06:12:40
G01     306.3          33.6                1.6 +/-    0.98       2.6 +/-    0.98  0.070 / 0.030
G10     106.1          40.8                4.8 +/-    0.92       6.9 +/-    0.92  0.050 / 0.040
G11     278.5          29.9                3.3 +/-    1.86       5.8 +/-    1.86  0.130 / 0.150
G14     2.2            65.9                0.8 +/-    1.20       0.9 +/-    1.20  0.070 / 0.130
G18     117.0          15.8                4.3 +/-    1.78      10.4 +/-    1.78  0.070 / 0.130
G22     309.9          27.3                1.9 +/-    3.19       3.5 +/-    3.19  0.070 / 0.080
G25     77.2           16.0                4.3 +/-    1.94      10.4 +/-    1.94  0.040 / 0.050
G31     166.0          65.7                4.5 +/-    0.60       4.9 +/-    0.60  0.050 / 0.050
G32     35.8           52.7                3.1 +/-    2.02       3.8 +/-    2.02  0.030 / 0.040