PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-12:42:50
G02     334.2          80.4                2.9 +/-    0.58       3.0 +/-    0.58  0.060 / 0.100
G05     167.2          29.4                7.5 +/-    0.96      13.4 +/-    0.96  0.060 / 0.090
G06     40.0           46.7                1.3 +/-    0.65       1.7 +/-    0.65  0.080 / 0.140
G12     315.5          66.6                1.8 +/-    0.68       1.9 +/-    0.68  0.080 / 0.130
G17     84.7           11.6                4.1 +/-    1.58      10.9 +/-    1.58  0.020 / 0.040
G19     73.4           27.8                2.2 +/-    0.82       4.1 +/-    0.82  0.020 / 0.030
G24     232.3          25.3                4.4 +/-    1.88       8.5 +/-    1.88  0.080 / 0.240
G25     317.6          27.2                2.2 +/-    0.78       4.1 +/-    0.78  0.110 / 0.260
G29     286.1          11.5                3.6 +/-    5.14       9.8 +/-    5.14  0.050 / 0.050