PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/17-01:12:50
G01     283.4          42.7                6.1 +/-    3.32       8.6 +/-    3.32  0.080 / 0.090
G03     313.2          19.5                5.5 +/-    2.60      12.2 +/-    2.60  0.070 / 0.090
G10     122.7          23.6                6.4 +/-    1.73      12.9 +/-    1.73  0.050 / 0.050
G11     262.4          23.5                7.7 +/-    3.58      15.5 +/-    3.58  0.050 / 0.040
G14     26.0           58.1                5.1 +/-    1.18       5.9 +/-    1.18  0.080 / 0.090
G18     245.7          45.7                7.5 +/-    4.32      10.0 +/-    4.32  0.060 / 0.090
G22     314.4          40.5                5.4 +/-    1.30       7.8 +/-    1.30  0.170 / 0.170
G25     63.9           18.6                4.5 +/-    1.19      10.3 +/-    1.19  0.090 / 0.150
G31     96.2           78.8                3.6 +/-    0.80       3.7 +/-    0.80  0.110 / 0.120
G32     54.8           39.0                3.9 +/-    0.91       5.7 +/-    0.91  0.110 / 0.120