PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-19:12:30
G07     350.4          63.2               11.6 +/-    0.48      12.8 +/-    0.48  0.030 / 0.050
G08     88.6           51.8               13.3 +/-    1.32      16.4 +/-    1.32  0.040 / 0.040
G09     187.9          69.6               11.5 +/-    1.26      12.2 +/-    1.26  0.120 / 0.100
G11     141.4          17.1               14.3 +/-    1.78      33.7 +/-    1.78  0.090 / 0.080
G23     157.3          37.9               11.8 +/-    0.61      17.7 +/-    0.61  0.120 / 0.150
G27     52.5           30.7               10.2 +/-    1.11      17.6 +/-    1.11  0.140 / 0.140
G28     239.6          29.4               13.7 +/-    1.52      24.3 +/-    1.52  0.030 / 0.030
G30     306.0          38.9               10.7 +/-    0.80      15.8 +/-    0.80  0.030 / 0.030