PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-01:58:10
G10     241.4          19.7               14.5 +/-    2.29      32.1 +/-    2.29  0.130 / 0.250
G13     65.0           33.9                9.3 +/-    0.63      15.1 +/-    0.63  0.100 / 0.220
G15     107.9          56.3               13.3 +/-    0.48      15.6 +/-    0.48  0.210 / 0.260
G16     308.7          13.7                7.3 +/-    1.75      18.6 +/-    1.75  0.110 / 0.270
G20     256.3          42.9               13.1 +/-    0.91      18.1 +/-    0.91  0.080 / 0.130
G26     280.7          18.7                9.6 +/-    1.61      21.9 +/-    1.61  0.070 / 0.150
G29     157.5          60.9               12.1 +/-    0.73      13.6 +/-    0.73  0.030 / 0.060