PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-06:58:10
G03     211.2          57.0                6.6 +/-    0.68       7.7 +/-    0.68  0.040 / 0.090
G07     259.2          19.3                4.8 +/-    2.02      10.8 +/-    2.02  0.090 / 0.090
G09     310.9          29.1                2.0 +/-    1.70       3.5 +/-    1.70  0.250 / 0.410
G16     90.6           63.5                5.8 +/-    0.48       6.4 +/-    0.48  0.210 / 0.270
G22     189.6          40.6                6.1 +/-    2.10       8.8 +/-    2.10  0.100 / 0.230
G23     336.4          64.2                4.9 +/-    0.71       5.4 +/-    0.71  0.080 / 0.210
G26     52.6           41.7                4.9 +/-    0.75       6.9 +/-    0.75  0.030 / 0.060
G27     133.7          11.0               -7.7 +/-   28.37     -21.0 +/-   28.37  0.030 / 0.040