PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-10:42:30
G01     221.2          12.9                4.5 +/-    2.53      11.7 +/-    2.53  0.030 / 0.040
G03     262.0          71.7                4.3 +/-    0.35       4.5 +/-    0.35  0.040 / 0.040
G14     91.4           20.4                2.9 +/-    1.85       6.2 +/-    1.85  0.160 / 0.510
G16     142.9          49.4                6.5 +/-    0.97       8.2 +/-    0.97  0.100 / 0.480
G22     201.6          64.1                7.1 +/-    0.62       7.8 +/-    0.62  0.040 / 0.050
G23     313.1          43.4                3.4 +/-    0.85       4.7 +/-    0.85  0.040 / 0.040
G26     88.2           54.9                4.5 +/-    0.51       5.3 +/-    0.51  0.090 / 0.250
G31     48.0           26.6                3.3 +/-    1.57       6.2 +/-    1.57  0.090 / 0.220