PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-01:43:00
G10     241.6          19.9               10.8 +/-    1.76      23.8 +/-    1.76  0.040 / 0.070
G13     64.7           33.9                7.2 +/-    0.60      11.7 +/-    0.60  0.040 / 0.070
G15     107.6          56.4               10.2 +/-    0.35      12.0 +/-    0.35  0.110 / 0.160
G16     308.4          13.8                5.9 +/-    2.65      15.1 +/-    2.65  0.080 / 0.150
G20     256.4          43.0                9.7 +/-    1.75      13.5 +/-    1.75  0.130 / 0.340
G21     321.8          52.4               10.3 +/-    1.21      12.7 +/-    1.21  0.070 / 0.270
G26     280.4          18.7                7.3 +/-    1.39      16.5 +/-    1.39  0.080 / 0.140
G29     157.7          60.9                9.7 +/-    1.00      10.9 +/-    1.00  0.080 / 0.130