PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/30-23:27:50
G10     272.7          40.6               13.2 +/-    1.59      19.0 +/-    1.59  0.040 / 0.050
G13     40.3           15.7               10.7 +/-    1.15      26.1 +/-    1.15  0.040 / 0.040
G15     54.8           45.5               11.3 +/-    0.78      15.1 +/-    0.78  0.110 / 0.250
G18     311.9          65.6               11.9 +/-    0.71      12.9 +/-    0.71  0.110 / 0.310
G20     58.7           30.0               11.2 +/-    1.25      19.6 +/-    1.25  0.140 / 0.300
G21     21.1           75.1               11.9 +/-    0.86      12.3 +/-    0.86  0.100 / 0.280
G24     117.0          17.0               15.0 +/-    1.81      35.5 +/-    1.81  0.050 / 0.080
G27     314.8          24.3                9.6 +/-    1.51      19.1 +/-    1.51  0.050 / 0.080
G29     167.2          22.6               14.9 +/-    1.14      30.9 +/-    1.14  0.080 / 0.150
G32     205.9          12.4                2.4 +/-   45.54       6.2 +/-   45.54  0.070 / 0.140