PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-16:42:50
G01     236.8          26.3               10.0 +/-    1.58      19.0 +/-    1.58  0.030 / 0.040
G03     306.1          62.0                8.6 +/-    0.95       9.6 +/-    0.95  0.030 / 0.040
G14     73.4           34.0                8.1 +/-    0.78      13.2 +/-    0.78  0.080 / 0.120
G16     155.7          32.2               13.5 +/-    2.03      22.6 +/-    2.03  0.080 / 0.100
G22     255.5          76.8                9.5 +/-    0.62       9.7 +/-    0.62  0.100 / 0.130
G23     298.7          30.4               10.3 +/-    1.42      17.9 +/-    1.42  0.090 / 0.110
G31     41.6           42.9                7.7 +/-    1.19      10.6 +/-    1.19  0.070 / 0.050
G32     89.7           13.1               10.4 +/-    2.06      27.2 +/-    2.06  0.060 / 0.050