PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/17-22:58:10
G08     271.5          20.2               10.4 +/-    1.80      22.7 +/-    1.80  0.080 / 0.190
G10     49.1           60.9               11.4 +/-    0.68      12.9 +/-    0.68  0.130 / 0.250
G11     314.3          14.4                9.1 +/-    2.75      23.0 +/-    2.75  0.160 / 0.460
G14     257.2          63.8               10.8 +/-    0.99      11.9 +/-    0.99  0.110 / 0.430
G18     86.6           39.4               11.1 +/-    0.66      16.3 +/-    0.66  0.090 / 0.250
G21     152.6          18.2               13.1 +/-    2.64      30.0 +/-    2.64  0.100 / 0.260
G24     42.8           15.3                9.2 +/-    1.68      22.7 +/-    1.68  0.070 / 0.130
G27     234.6          19.1               13.8 +/-    1.45      31.0 +/-    1.45  0.060 / 0.110
G31     182.0          21.7               15.2 +/-    3.08      32.1 +/-    3.08  0.030 / 0.020
G32     304.4          75.0               11.8 +/-    0.65      12.2 +/-    0.65  0.030 / 0.030