PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-04:58:00
G01     307.0          33.2                5.4 +/-    0.96       8.8 +/-    0.96  0.070 / 0.100
G10     105.5          41.2                6.3 +/-    0.38       9.0 +/-    0.38  0.060 / 0.070
G11     279.6          29.7                6.0 +/-    1.77      10.6 +/-    1.77  0.040 / 0.050
G14     0.9            66.3                5.0 +/-    0.86       5.4 +/-    0.86  0.040 / 0.070
G18     116.7          15.8                3.8 +/-    1.93       9.3 +/-    1.93  0.060 / 0.150
G22     309.5          26.2                2.6 +/-    1.65       5.0 +/-    1.65  0.060 / 0.120
G25     77.6           15.8                4.3 +/-    0.98      10.4 +/-    0.98  0.090 / 0.260
G31     167.9          64.5                7.0 +/-    0.99       7.7 +/-    0.99  0.070 / 0.220
G32     34.3           53.7                4.4 +/-    0.39       5.3 +/-    0.39  0.040 / 0.060