PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/20-13:28:10
G01     314.2          26.3                4.3 +/-    1.59       8.2 +/-    1.59  0.040 / 0.040
G10     94.7           47.0                5.1 +/-    0.72       6.7 +/-    0.72  0.040 / 0.040
G11     295.1          25.4                4.8 +/-    0.91       9.2 +/-    0.91  0.140 / 0.220
G14     323.2          70.1                3.7 +/-    0.39       3.9 +/-    0.39  0.160 / 0.180
G22     306.5          21.1                3.1 +/-    1.15       6.7 +/-    1.15  0.030 / 0.050
G25     92.5           13.2                6.5 +/-    2.12      16.9 +/-    2.12  0.040 / 0.040
G31     170.9          55.3                7.1 +/-    0.66       8.5 +/-    0.66  0.100 / 0.230
G32     26.4           58.6                4.0 +/-    0.68       4.6 +/-    0.68  0.110 / 0.220