PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/01-03:42:50
G10     247.2          23.7               15.0 +/-    1.80      30.2 +/-    1.80  0.110 / 0.200
G13     57.6           32.1                9.2 +/-    1.86      15.5 +/-    1.86  0.110 / 0.280
G15     95.7           58.0               12.1 +/-    0.86      14.0 +/-    0.86  0.030 / 0.040
G16     298.8          15.7                9.1 +/-    2.43      22.2 +/-    2.43  0.030 / 0.050
G20     274.6          59.1               12.1 +/-    1.43      13.8 +/-    1.43  0.060 / 0.120
G21     328.2          56.9               10.9 +/-    0.62      12.7 +/-    0.62  0.070 / 0.110
G26     270.3          17.2               13.4 +/-    1.51      31.5 +/-    1.51  0.030 / 0.030
G29     164.0          55.4               13.3 +/-    0.55      15.8 +/-    0.55  0.020 / 0.030