PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-15:57:50
G01     317.5          21.2                5.0 +/-    1.70      10.6 +/-    1.70  0.040 / 0.050
G08     255.9          11.1                5.8 +/-    1.30      15.8 +/-    1.30  0.050 / 0.060
G10     85.6           51.3                6.1 +/-    0.58       7.6 +/-    0.58  0.130 / 0.210
G11     301.4          23.3                5.3 +/-    1.72      10.7 +/-    1.72  0.110 / 0.230
G14     306.5          70.6                4.9 +/-    1.03       5.2 +/-    1.03  0.040 / 0.060
G22     302.9          14.4                5.6 +/-    2.66      14.1 +/-    2.66  0.040 / 0.050
G25     98.2           10.3              -13.5 +/-   29.96     -37.4 +/-   29.96  0.110 / 0.250
G31     174.7          47.0                7.1 +/-    1.20       9.3 +/-    1.20  0.110 / 0.340
G32     15.8           64.1                4.4 +/-    0.49       4.8 +/-    0.49  0.040 / 0.040