PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-04:12:30
G10     246.2          22.8               10.9 +/-    3.28      22.4 +/-    3.28  0.150 / 0.570
G13     58.9           32.8                7.2 +/-    0.34      11.9 +/-    0.34  0.190 / 0.480
G15     97.8           57.8                8.8 +/-    0.51      10.2 +/-    0.51  0.040 / 0.060
G16     300.1          15.7                7.9 +/-    2.40      19.4 +/-    2.40  0.050 / 0.060
G20     278.1          62.4                9.6 +/-    0.94      10.7 +/-    0.94  0.110 / 0.260
G21     326.9          56.1                9.1 +/-    0.91      10.7 +/-    0.91  0.120 / 0.210
G26     271.5          17.6               10.0 +/-    1.90      23.3 +/-    1.90  0.050 / 0.130
G29     163.6          56.7               10.1 +/-    0.78      11.8 +/-    0.78  0.050 / 0.130