PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-06:27:40
G07     328.8          56.9                4.3 +/-    0.97       5.1 +/-    0.97  0.100 / 0.120
G08     110.6          50.2                7.2 +/-    0.44       9.1 +/-    0.44  0.100 / 0.130
G09     195.5          77.9                5.3 +/-    1.05       5.5 +/-    1.05  0.040 / 0.050
G11     149.8          10.8                0.2 +/-   21.23       0.5 +/-   21.23  0.040 / 0.060
G23     153.3          45.4                7.5 +/-    0.98      10.0 +/-    0.98  0.040 / 0.070
G27     60.3           33.9                4.7 +/-    1.10       7.7 +/-    1.10  0.040 / 0.070
G28     232.1          18.9                7.0 +/-    3.18      15.8 +/-    3.18  0.030 / 0.070
G30     297.3          30.7                4.3 +/-    1.15       7.4 +/-    1.15  0.040 / 0.080