PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-20:43:10
G10     276.8          42.8               24.2 +/-    0.69      33.7 +/-    0.69  0.130 / 0.260
G13     39.1           12.7               11.9 +/-    1.84      31.3 +/-    1.84  0.100 / 0.220
G15     51.6           41.3               19.1 +/-    0.83      27.2 +/-    0.83  0.030 / 0.040
G18     322.9          66.7               20.4 +/-    0.83      22.0 +/-    0.83  0.030 / 0.040
G20     60.6           28.5               17.5 +/-    1.38      31.5 +/-    1.38  0.060 / 0.150
G21     41.7           76.2               21.7 +/-    0.51      22.3 +/-    0.51  0.060 / 0.130
G24     113.9          19.1               28.3 +/-    1.08      63.7 +/-    1.08  0.050 / 0.140
G27     312.6          26.7               19.3 +/-    0.99      36.2 +/-    0.99  0.090 / 0.180
G29     166.4          17.3               28.6 +/-    2.57      67.3 +/-    2.57  0.190 / 0.340
G32     206.9          14.7               31.6 +/-    2.74      79.2 +/-    2.74  0.140 / 0.360