PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-01:57:50
G10     272.7          41.4               13.7 +/-    1.63      19.4 +/-    1.63  0.110 / 0.120
G13     39.8           14.3                8.9 +/-    3.31      22.6 +/-    3.31  0.090 / 0.140
G15     55.5           46.6               10.8 +/-    0.90      14.2 +/-    0.90  0.040 / 0.040
G20     290.8          54.1               12.5 +/-    0.71      15.0 +/-    0.71  0.040 / 0.040
G21     14.1           74.5               12.4 +/-    0.65      12.8 +/-    0.65  0.090 / 0.250
G24     115.0          17.2               12.7 +/-    1.81      29.9 +/-    1.81  0.160 / 0.300
G27     316.1          22.7               10.1 +/-    1.17      20.7 +/-    1.17  0.110 / 0.160
G29     168.8          26.8               13.6 +/-    1.33      25.6 +/-    1.33  0.080 / 0.160
G32     204.6          15.4               17.4 +/-    1.81      42.9 +/-    1.81  0.040 / 0.050