PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-15:43:10
G03     215.1          63.1                8.6 +/-    0.92       9.5 +/-    0.92  0.110 / 0.210
G07     253.0          15.5                6.9 +/-    1.46      16.9 +/-    1.46  0.190 / 0.300
G09     306.2          21.6                6.6 +/-    2.96      14.0 +/-    2.96  0.110 / 0.250
G14     104.3          9.9                10.7 +/-    2.95      29.8 +/-    2.95  0.140 / 0.180
G16     125.5          61.8                9.4 +/-    0.58      10.5 +/-    0.58  0.160 / 0.450
G22     187.5          46.1                9.0 +/-    0.97      12.0 +/-    0.97  0.180 / 0.460
G23     323.3          53.3                7.5 +/-    0.75       9.2 +/-    0.75  0.050 / 0.040
G26     64.7           51.3                6.9 +/-    1.12       8.5 +/-    1.12  0.040 / 0.040
G31     55.0           16.5                6.1 +/-    2.10      14.7 +/-    2.10  0.040 / 0.070