PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/19-14:43:00
G01     246.6          33.8                9.0 +/-    1.65      14.7 +/-    1.65  0.080 / 0.100
G03     315.1          50.8                6.4 +/-    1.21       8.0 +/-    1.21  0.080 / 0.100
G14     64.2           38.0                6.8 +/-    0.85      10.3 +/-    0.85  0.060 / 0.060
G16     165.3          18.1                5.0 +/-   12.17      11.5 +/-   12.17  0.050 / 0.060
G18     215.5          23.6                8.6 +/-    2.51      17.3 +/-    2.51  0.110 / 0.090
G22     294.3          72.7                6.9 +/-    0.54       7.2 +/-    0.54  0.080 / 0.110
G23     288.9          20.8                7.4 +/-    3.32      16.1 +/-    3.32  0.040 / 0.030
G26     138.2          39.5               10.0 +/-    1.58      14.7 +/-    1.58  0.040 / 0.040
G31     40.5           57.1                6.7 +/-    0.59       7.9 +/-    0.59  0.060 / 0.090
G32     77.9           24.6                8.0 +/-    1.32      15.8 +/-    1.32  0.060 / 0.090