PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/20-04:28:00
G08     296.2          22.3                7.8 +/-    0.91      16.2 +/-    0.91  0.070 / 0.110
G10     8.4            62.8                4.5 +/-    0.67       5.0 +/-    0.67  0.070 / 0.120
G14     228.4          45.5                8.3 +/-    2.10      11.2 +/-    2.10  0.030 / 0.030
G20     63.8           52.9                5.9 +/-    1.18       7.2 +/-    1.18  0.030 / 0.030
G21     146.2          41.6                7.5 +/-    1.12      10.6 +/-    1.12  0.040 / 0.070
G24     57.1           25.9                6.5 +/-    1.31      12.5 +/-    1.31  0.060 / 0.080
G27     256.5          32.5                6.3 +/-    2.35      10.4 +/-    2.35  0.120 / 0.100
G32     241.7          64.6                7.3 +/-    0.59       8.0 +/-    0.59  0.100 / 0.130