PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-10:27:50
G08     317.9          14.0                2.6 +/-    2.40       6.6 +/-    2.40  0.030 / 0.030
G10     311.9          56.3                4.4 +/-    1.61       5.2 +/-    1.61  0.030 / 0.040
G14     212.4          20.4                4.8 +/-    2.61      10.4 +/-    2.61  0.070 / 0.110
G15     45.5           19.7                3.0 +/-    1.78       6.5 +/-    1.78  0.080 / 0.090
G20     13.4           64.1                5.2 +/-    0.75       5.8 +/-    0.75  0.190 / 0.470
G21     119.8          64.1               -3.9 +/-    0.55      -4.3 +/-    0.55  0.200 / 0.190
G24     85.8           28.6                6.8 +/-    1.44      12.2 +/-    1.44  0.090 / 0.040
G27     292.9          36.0                5.9 +/-    2.25       9.2 +/-    2.25  0.080 / 0.050
G32     215.1          36.4                5.9 +/-    1.15       9.2 +/-    1.15  0.070 / 0.110