PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/22-15:57:30
G01     297.5          38.2                7.1 +/-    2.15      10.6 +/-    2.15  0.090 / 0.090
G03     310.6          15.8                5.6 +/-    2.28      13.6 +/-    2.28  0.110 / 0.080
G10     115.3          33.3                8.4 +/-    1.20      13.8 +/-    1.20  0.050 / 0.050
G11     274.3          26.6                8.4 +/-    0.66      15.8 +/-    0.66  0.040 / 0.050
G14     12.3           62.8                5.5 +/-    0.82       6.1 +/-    0.82  0.020 / 0.020
G22     313.0          35.4                5.8 +/-    2.20       9.2 +/-    2.20  0.030 / 0.020
G25     73.1           18.8                7.2 +/-    1.97      16.4 +/-    1.97  0.080 / 0.120
G31     147.2          75.4                7.9 +/-    0.63       8.2 +/-    0.63  0.090 / 0.150
G32     46.6           45.0                5.8 +/-    0.72       7.8 +/-    0.72  0.060 / 0.070