PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-01:27:40
G10     245.8          22.5               12.4 +/-    2.62      25.8 +/-    2.62  0.140 / 0.380
G13     59.4           32.8                8.4 +/-    1.57      13.9 +/-    1.57  0.150 / 0.410
G15     101.9          58.2               10.5 +/-    1.03      12.1 +/-    1.03  0.050 / 0.040
G16     300.3          15.8                6.0 +/-    2.96      14.6 +/-    2.96  0.030 / 0.040
G20     258.7          40.5               10.4 +/-    3.92      15.0 +/-    3.92  0.030 / 0.030
G21     325.9          55.5                7.9 +/-    0.51       9.4 +/-    0.51  0.040 / 0.030
G26     272.0          17.9                9.7 +/-    1.85      22.6 +/-    1.85  0.060 / 0.150
G29     163.5          57.7               11.1 +/-    0.64      12.9 +/-    0.64  0.060 / 0.130