PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/28-07:12:40
G07     36.3           69.3                6.0 +/-    0.55       6.4 +/-    0.55  0.040 / 0.040
G08     58.4           46.3                3.3 +/-    0.44       4.4 +/-    0.44  0.050 / 0.050
G09     177.5          42.7                8.2 +/-    1.18      11.4 +/-    1.18  0.030 / 0.050
G11     127.2          31.9                6.2 +/-    0.92      10.4 +/-    0.92  0.020 / 0.040
G18     109.2          13.2                4.2 +/-    3.17      10.8 +/-    3.17  0.070 / 0.120
G23     160.1          13.4                5.4 +/-    3.73      13.9 +/-    3.73  0.080 / 0.110
G27     38.6           13.1                1.3 +/-    1.26       3.3 +/-    1.26  0.150 / 0.310
G28     260.0          42.5                7.0 +/-    1.82       9.8 +/-    1.82  0.090 / 0.270
G30     323.1          53.4                5.6 +/-    0.74       6.8 +/-    0.74  0.150 / 0.430