PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-21:57:50
G01     315.7          24.2                9.3 +/-    1.19      18.5 +/-    1.19  0.120 / 0.520
G10     90.6           49.3               10.4 +/-    0.58      13.2 +/-    0.58  0.170 / 0.490
G11     295.5          26.5                8.6 +/-    1.18      16.2 +/-    1.18  0.130 / 0.390
G14     324.9          71.0               10.9 +/-    0.46      11.5 +/-    0.46  0.150 / 0.400
G18     108.6          22.6               11.0 +/-    1.12      22.8 +/-    1.12  0.110 / 0.210
G22     304.1          15.3                9.1 +/-    3.37      22.5 +/-    3.37  0.080 / 0.210
G25     93.2           11.9               12.2 +/-    1.66      32.6 +/-    1.66  0.030 / 0.050
G31     177.5          48.0               13.6 +/-    1.40      17.7 +/-    1.40  0.030 / 0.060
G32     17.1           63.1                9.6 +/-    0.75      10.7 +/-    0.75  0.030 / 0.040