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                9.0 +/-    1.05       9.6 +/-    1.05  0.070 / 0.150
G08     66.4           49.6                8.5 +/-    0.83      10.7 +/-    0.83  0.060 / 0.100
G09     181.1          52.6               11.6 +/-    0.68      14.2 +/-    0.68  0.080 / 0.160
G11     130.8          27.5                8.0 +/-    2.20      14.9 +/-    2.20  0.070 / 0.180
G18     114.3          9.5                -9.9 +/-   14.93     -27.9 +/-   14.93  0.030 / 0.040
G23     159.1          19.0                9.7 +/-    1.85      21.8 +/-    1.85  0.030 / 0.040
G27     41.6           19.2                7.2 +/-    1.72      16.2 +/-    1.72  0.170 / 0.110
G28     253.6          39.7               10.7 +/-    2.13      15.7 +/-    2.13  0.220 / 0.150
G30     321.9          52.5                8.3 +/-    0.70      10.1 +/-    0.70  0.120 / 0.190