PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/30-23:43:00
G01     300.0          37.1               10.8 +/-    0.89      16.5 +/-    0.89  0.060 / 0.130
G10     112.9          35.5               11.5 +/-    0.64      18.1 +/-    0.64  0.080 / 0.100
G11     273.0          28.3               10.0 +/-    1.29      18.2 +/-    1.29  0.050 / 0.080
G14     13.5           62.6               10.0 +/-    0.96      11.1 +/-    0.96  0.060 / 0.090
G22     311.7          30.7               10.2 +/-    1.91      17.6 +/-    1.91  0.050 / 0.170
G25     73.4           17.9                9.5 +/-    1.26      22.1 +/-    1.26  0.060 / 0.140
G31     168.8          69.7               13.4 +/-    0.82      14.2 +/-    0.82  0.030 / 0.030
G32     41.2           49.4                9.3 +/-    0.86      11.8 +/-    0.86  0.020 / 0.040