PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/12-03:57:40
G10     273.4          41.6               11.3 +/-    0.93      16.0 +/-    0.93  0.070 / 0.140
G13     39.6           13.9                6.2 +/-    1.24      15.8 +/-    1.24  0.090 / 0.140
G15     54.4           45.1                6.4 +/-    0.81       8.6 +/-    0.81  0.040 / 0.050
G20     321.1          65.5                7.0 +/-    0.81       7.6 +/-    0.81  0.040 / 0.040
G21     16.7           74.9               10.4 +/-    0.88      10.8 +/-    0.88  0.050 / 0.080
G24     114.9          17.5                9.8 +/-    1.45      22.9 +/-    1.45  0.080 / 0.070
G27     315.6          23.3                6.0 +/-    1.78      12.2 +/-    1.78  0.110 / 0.300
G29     168.8          26.0               11.3 +/-    1.10      21.7 +/-    1.10  0.100 / 0.240
G32     204.8          16.0               17.2 +/-    2.54      41.8 +/-    2.54  0.030 / 0.070