PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/24-19:57:30
G01     300.1          37.1               10.0 +/-    1.64      15.3 +/-    1.64  0.120 / 0.100
G03     309.0          11.2               -6.5 +/-   38.37     -17.7 +/-   38.37  0.060 / 0.130
G10     113.0          35.3               14.3 +/-    1.34      22.5 +/-    1.34  0.020 / 0.030
G11     274.8          27.7               12.9 +/-    2.64      23.8 +/-    2.64  0.030 / 0.030
G14     11.2           63.2               11.2 +/-    0.70      12.4 +/-    0.70  0.100 / 0.130
G22     311.9          31.3               12.0 +/-    0.96      20.5 +/-    0.96  0.070 / 0.140
G25     74.8           18.2               11.9 +/-    1.82      27.3 +/-    1.82  0.030 / 0.050
G31     161.0          71.8               16.1 +/-    0.45      16.8 +/-    0.45  0.040 / 0.050
G32     42.9           47.9               10.9 +/-    0.70      14.1 +/-    0.70  0.020 / 0.050