PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/14-21:12:50
G01     280.5          41.3               13.1 +/-    0.59      18.6 +/-    0.59  0.050 / 0.070
G03     314.3          23.3                8.0 +/-    1.44      16.2 +/-    1.44  0.050 / 0.060
G10     125.3          23.2               10.8 +/-    1.72      21.9 +/-    1.72  0.030 / 0.020
G11     257.8          23.7                9.8 +/-    2.68      19.7 +/-    2.68  0.020 / 0.020
G14     35.1           54.1                8.1 +/-    1.74       9.8 +/-    1.74  0.060 / 0.040
G22     314.5          44.6                8.0 +/-    1.08      10.9 +/-    1.08  0.060 / 0.050
G25     58.7           18.3                7.9 +/-    1.83      18.2 +/-    1.83  0.050 / 0.050
G26     153.8          18.4               12.5 +/-    2.58      28.7 +/-    2.58  0.030 / 0.060
G31     89.8           80.7               10.0 +/-    0.80      10.1 +/-    0.80  0.110 / 0.120
G32     57.4           37.7                7.7 +/-    1.11      11.6 +/-    1.11  0.110 / 0.170