PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-08:13:10
G03     190.4          20.0                4.6 +/-    1.77      10.1 +/-    1.77  0.040 / 0.080
G07     293.9          41.3                3.1 +/-    1.03       4.4 +/-    1.03  0.050 / 0.080
G08     144.6          27.4                5.3 +/-    1.22       9.8 +/-    1.22  0.080 / 0.090
G09     320.4          64.2                1.7 +/-    0.81       1.8 +/-    0.81  0.040 / 0.080
G16     42.9           36.4                2.0 +/-    0.71       3.1 +/-    0.71  0.100 / 0.220
G23     122.9          74.6                3.7 +/-    0.91       3.8 +/-    0.91  0.130 / 0.190
G27     98.7           34.0                5.7 +/-    0.68       9.1 +/-    0.68  0.030 / 0.040
G30     275.0          13.7                4.3 +/-    1.82      11.1 +/-    1.82  0.030 / 0.040