PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-05:27:30
G01     227.0          19.3                6.1 +/-    2.05      13.7 +/-    2.05  0.050 / 0.110
G03     295.3          65.9                4.7 +/-    0.78       5.1 +/-    0.78  0.060 / 0.120
G14     82.6           27.4                3.5 +/-    0.81       6.6 +/-    0.81  0.030 / 0.040
G16     147.9          41.7                6.3 +/-    1.08       8.9 +/-    1.08  0.030 / 0.040
G22     229.2          72.7                5.7 +/-    0.90       6.0 +/-    0.90  0.030 / 0.040
G23     306.9          38.1                4.0 +/-    0.85       6.0 +/-    0.85  0.040 / 0.040
G26     102.9          53.3                6.4 +/-    0.45       7.8 +/-    0.45  0.110 / 0.300
G31     44.8           33.4                2.5 +/-    0.86       4.2 +/-    0.86  0.140 / 0.370