PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/15-13:27:50
G01     300.2          37.8                5.6 +/-    1.18       8.5 +/-    1.18  0.070 / 0.080
G03     309.5          13.8               -8.4 +/-   24.18     -21.5 +/-   24.18  0.110 / 0.090
G10     112.9          33.7                6.0 +/-    0.88       9.7 +/-    0.88  0.130 / 0.210
G11     272.4          27.5                6.2 +/-    2.04      11.5 +/-    2.04  0.130 / 0.180
G14     13.0           62.9                5.0 +/-    0.75       5.6 +/-    0.75  0.070 / 0.050
G18     260.7          50.7                7.8 +/-    8.20       9.8 +/-    8.20  0.060 / 0.050
G22     312.9          34.9                3.9 +/-    1.25       6.2 +/-    1.25  0.060 / 0.080
G25     73.3           17.3                5.7 +/-    1.03      13.4 +/-    1.03  0.070 / 0.080
G31     162.8          70.8                7.0 +/-    0.38       7.3 +/-    0.38  0.070 / 0.110
G32     39.0           51.0                4.3 +/-    0.77       5.3 +/-    0.77  0.080 / 0.090