PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/02-01:57:40
G02     74.8           20.4               11.1 +/-    1.02      24.3 +/-    1.02  0.070 / 0.300
G05     45.2           42.3                9.7 +/-    1.24      13.7 +/-    1.24  0.070 / 0.340
G12     180.2          13.2               12.9 +/-    3.82      33.5 +/-    3.82  0.080 / 0.190
G13     111.8          27.4               15.0 +/-    1.06      27.8 +/-    1.06  0.060 / 0.180
G15     153.6          27.6               15.3 +/-    1.41      28.3 +/-    1.41  0.110 / 0.180
G20     227.8          23.3               14.4 +/-    2.32      29.4 +/-    2.32  0.110 / 0.230
G21     286.6          28.1                8.6 +/-    0.97      15.7 +/-    0.97  0.040 / 0.070
G25     217.3          36.5               10.4 +/-    2.18      16.0 +/-    2.18  0.030 / 0.060
G26     314.1          14.7                7.6 +/-    1.45      18.9 +/-    1.45  0.110 / 0.170
G29     340.7          72.7               11.9 +/-    0.63      12.4 +/-    0.63  0.130 / 0.190