PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-00:43:00
G02     52.5           38.6                9.4 +/-    0.86      14.0 +/-    0.86  0.050 / 0.070
G05     74.0           66.5               10.7 +/-    0.28      11.6 +/-    0.28  0.050 / 0.080
G12     185.7          41.4               13.7 +/-    1.74      19.5 +/-    1.74  0.110 / 0.450
G21     264.0          11.2               10.8 +/-   13.97      29.4 +/-   13.97  0.140 / 0.610
G25     253.3          56.8               12.2 +/-    1.59      14.3 +/-    1.59  0.030 / 0.040
G29     321.9          45.3               10.9 +/-    1.36      14.6 +/-    1.36  0.040 / 0.040