PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-19:27:50
G07     4.9            65.8               11.4 +/-    0.57      12.4 +/-    0.57  0.030 / 0.030
G08     76.8           51.1               12.2 +/-    0.79      15.2 +/-    0.79  0.040 / 0.040
G09     183.4          62.1               13.0 +/-    0.89      14.5 +/-    0.89  0.110 / 0.140
G11     136.6          21.6               12.6 +/-    3.32      26.7 +/-    3.32  0.110 / 0.170
G23     158.9          30.7               11.8 +/-    1.69      20.3 +/-    1.69  0.080 / 0.120
G27     47.1           26.4                9.7 +/-    2.99      18.4 +/-    2.99  0.080 / 0.110
G28     245.5          34.6               13.3 +/-    1.42      21.3 +/-    1.42  0.040 / 0.030
G30     311.7          43.7               10.7 +/-    0.84      14.7 +/-    0.84  0.040 / 0.030