PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/30-22:57:40
G01     315.9          23.8                8.8 +/-    2.39      17.7 +/-    2.39  0.120 / 0.260
G10     89.8           49.7               11.0 +/-    0.52      13.9 +/-    0.52  0.130 / 0.370
G11     295.7          26.6                8.6 +/-    1.05      16.3 +/-    1.05  0.100 / 0.170
G14     323.8          71.1               11.7 +/-    0.35      12.3 +/-    0.35  0.090 / 0.180
G18     108.0          23.3               10.7 +/-    1.29      21.8 +/-    1.29  0.120 / 0.380
G22     303.8          14.8               10.4 +/-    1.86      26.0 +/-    1.86  0.130 / 0.360
G25     93.4           11.7               10.8 +/-    1.67      28.9 +/-    1.67  0.040 / 0.060
G31     178.4          46.5               13.8 +/-    1.44      18.3 +/-    1.44  0.040 / 0.060
G32     15.1           63.8                9.6 +/-    1.13      10.6 +/-    1.13  0.030 / 0.030