PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/26-19:12:40
G01     314.0          26.5                9.5 +/-    1.44      18.0 +/-    1.44  0.080 / 0.170
G10     94.8           47.2               10.3 +/-    0.69      13.5 +/-    0.69  0.090 / 0.150
G11     293.4          26.5                9.0 +/-    2.93      16.9 +/-    2.93  0.040 / 0.040
G14     331.5          70.3               10.3 +/-    0.58      10.9 +/-    0.58  0.030 / 0.040
G18     111.2          19.7               11.4 +/-    2.24      25.4 +/-    2.24  0.140 / 0.240
G22     305.7          18.1                9.3 +/-    1.32      21.4 +/-    1.32  0.150 / 0.290
G25     91.4           13.3               11.7 +/-    1.67      30.4 +/-    1.67  0.050 / 0.040
G31     174.3          53.2               13.4 +/-    0.38      16.3 +/-    0.38  0.050 / 0.040
G32     23.9           59.9                9.7 +/-    0.72      11.0 +/-    0.72  0.040 / 0.030