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                5.5 +/-    0.72       5.8 +/-    0.72  0.030 / 0.030
G08     58.4           46.3                4.9 +/-    0.91       6.4 +/-    0.91  0.020 / 0.030
G09     177.5          42.7                7.8 +/-    0.88      10.9 +/-    0.88  0.080 / 0.200
G11     127.2          31.9                6.4 +/-    0.96      10.8 +/-    0.96  0.070 / 0.190
G18     109.2          13.2                5.5 +/-    4.17      14.2 +/-    4.17  0.130 / 0.410
G23     160.1          13.4                5.3 +/-    1.32      13.7 +/-    1.32  0.140 / 0.460
G27     38.6           13.1                2.7 +/-    2.82       7.1 +/-    2.82  0.050 / 0.060
G28     260.0          42.5                8.0 +/-    2.42      11.1 +/-    2.42  0.050 / 0.060
G30     323.1          53.4                4.9 +/-    0.74       6.0 +/-    0.74  0.040 / 0.040