PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/26-01:28:00
G02     345.3          78.9               10.0 +/-    0.72      10.1 +/-    0.72  0.030 / 0.040
G05     163.5          33.4               16.3 +/-    1.16      26.7 +/-    1.16  0.030 / 0.040
G06     41.4           41.1                8.6 +/-    0.76      12.2 +/-    0.76  0.050 / 0.110
G12     313.0          70.0               10.2 +/-    1.51      10.8 +/-    1.51  0.070 / 0.100
G17     83.6           15.6               10.9 +/-    1.39      26.7 +/-    1.39  0.110 / 0.150
G19     73.6           28.8               10.4 +/-    0.49      18.7 +/-    0.49  0.100 / 0.150
G24     229.3          23.5               14.3 +/-    3.41      28.9 +/-    3.41  0.110 / 0.240
G25     317.5          27.0                6.6 +/-    1.06      12.4 +/-    1.06  0.140 / 0.240