PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-01:12:30
G02     281.7          81.4                7.5 +/-    0.74       7.6 +/-    0.74  0.040 / 0.040
G05     167.9          23.6               11.2 +/-    1.46      22.7 +/-    1.46  0.030 / 0.040
G06     38.7           54.5                8.2 +/-    0.44       9.8 +/-    0.44  0.070 / 0.090
G12     320.1          56.8                9.0 +/-    0.66      10.5 +/-    0.66  0.080 / 0.100
G17     77.3           16.8                8.9 +/-    1.27      21.1 +/-    1.27  0.070 / 0.110
G19     64.3           33.7               -5.5 +/-    1.09      -8.9 +/-    1.09  0.060 / 0.120
G24     236.0          29.8               12.8 +/-    1.49      22.6 +/-    1.49  0.180 / 0.270
G25     317.3          19.9                5.9 +/-    1.43      13.1 +/-    1.43  0.220 / 0.270