PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/14-14:27:40
G01     301.6          36.4                7.9 +/-    2.70      12.2 +/-    2.70  0.110 / 0.150
G03     309.3          14.0                4.7 +/-    2.09      11.9 +/-    2.09  0.110 / 0.140
G10     111.9          36.0                9.5 +/-    0.63      14.8 +/-    0.63  0.040 / 0.050
G11     278.3          27.0                6.1 +/-    1.51      11.4 +/-    1.51  0.040 / 0.040
G14     3.7            64.9                7.1 +/-    0.86       7.8 +/-    0.86  0.080 / 0.100
G22     312.2          33.3                5.7 +/-    0.72       9.4 +/-    0.72  0.070 / 0.110
G25     77.0           18.2                9.2 +/-    1.60      21.2 +/-    1.60  0.030 / 0.030
G31     154.9          72.2               10.4 +/-    0.58      10.9 +/-    0.58  0.030 / 0.030
G32     43.4           47.3                6.3 +/-    1.17       8.3 +/-    1.17  0.060 / 0.110