PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/22-04:58:10
G10     261.3          34.5                8.4 +/-    1.12      13.4 +/-    1.12  0.040 / 0.040
G13     44.9           22.6                3.8 +/-    0.67       7.9 +/-    0.67  0.050 / 0.040
G15     66.1           52.7                5.9 +/-    0.54       7.2 +/-    0.54  0.110 / 0.290
G16     283.4          13.7                7.6 +/-    2.00      19.4 +/-    2.00  0.110 / 0.300
G20     323.5          68.6                4.8 +/-    0.92       5.2 +/-    0.92  0.140 / 0.240
G21     350.0          68.0                3.9 +/-    0.91       4.2 +/-    0.91  0.200 / 0.250
G24     124.5          11.0               -4.9 +/-   31.85     -13.5 +/-   31.85  0.100 / 0.110
G26     256.0          10.4                8.0 +/-    2.23      22.1 +/-    2.23  0.090 / 0.120
G27     320.6          14.8                4.2 +/-    2.35      10.5 +/-    2.35  0.120 / 0.340
G29     167.6          37.6                8.6 +/-    1.05      13.0 +/-    1.05  0.180 / 0.330