PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-01:12:40
G02     61.7           30.8                9.0 +/-    1.22      15.6 +/-    1.22  0.060 / 0.110
G05     54.3           57.8                8.8 +/-    0.78      10.2 +/-    0.78  0.070 / 0.100
G12     183.5          29.1               12.8 +/-    1.66      22.7 +/-    1.66  0.270 / 0.260
G13     126.3          16.9               15.3 +/-    1.49      36.3 +/-    1.49  0.070 / 0.200
G15     162.9          13.8               16.1 +/-    1.73      41.2 +/-    1.73  0.030 / 0.040
G21     273.1          18.2               11.2 +/-    2.40      25.7 +/-    2.40  0.030 / 0.030
G25     234.0          50.2               11.8 +/-    2.69      14.9 +/-    2.69  0.130 / 0.240
G29     329.1          56.0               11.2 +/-    0.83      13.2 +/-    0.83  0.110 / 0.260