PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-00:42:30
G02     61.1           31.4               10.4 +/-    1.16      17.7 +/-    1.16  0.020 / 0.040
G05     55.0           58.5               11.4 +/-    0.60      13.2 +/-    0.60  0.030 / 0.040
G12     183.4          29.5               15.6 +/-    3.66      27.6 +/-    3.66  0.100 / 0.260
G13     126.7          16.5               15.5 +/-    1.92      37.2 +/-    1.92  0.110 / 0.320
G15     163.4          13.2               21.6 +/-    2.61      56.1 +/-    2.61  0.040 / 0.070
G21     272.6          17.8               12.9 +/-    2.57      30.1 +/-    2.57  0.050 / 0.070
G25     234.7          50.6               13.6 +/-    0.84      17.1 +/-    0.84  0.080 / 0.220
G29     328.7          55.3               11.1 +/-    0.61      13.2 +/-    0.61  0.070 / 0.300