PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-14:28:00
G07     27.0           68.0                7.4 +/-    0.79       7.9 +/-    0.79  0.040 / 0.050
G08     66.4           49.6                6.7 +/-    0.72       8.5 +/-    0.72  0.030 / 0.050
G09     181.1          52.6                7.9 +/-    2.18       9.6 +/-    2.18  0.060 / 0.110
G11     130.8          27.5                9.1 +/-    1.02      16.8 +/-    1.02  0.060 / 0.110
G23     159.1          19.0                9.1 +/-    0.99      20.5 +/-    0.99  0.100 / 0.190
G27     41.6           19.2                6.1 +/-    1.15      13.7 +/-    1.15  0.080 / 0.180
G28     253.6          39.7                9.7 +/-    0.87      14.2 +/-    0.87  0.100 / 0.140
G30     321.9          52.5                8.8 +/-    1.06      10.8 +/-    1.06  0.100 / 0.120