PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-20:12:40
G07     351.7          63.5               11.4 +/-    0.45      12.6 +/-    0.45  0.040 / 0.040
G08     86.0           51.7               11.0 +/-    1.51      13.5 +/-    1.51  0.030 / 0.040
G09     186.2          68.1               11.7 +/-    0.32      12.5 +/-    0.32  0.100 / 0.070
G11     140.5          17.9               14.7 +/-    1.23      34.1 +/-    1.23  0.100 / 0.070
G23     157.8          36.9               13.1 +/-    1.41      20.0 +/-    1.41  0.110 / 0.220
G27     51.6           30.1               10.4 +/-    0.66      18.1 +/-    0.66  0.080 / 0.130
G28     240.7          30.6               13.0 +/-    1.59      22.5 +/-    1.59  0.030 / 0.030
G30     306.7          39.4               10.9 +/-    1.36      16.0 +/-    1.36  0.040 / 0.030