PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-19:42:40
G02     11.5           69.7               13.3 +/-    0.79      14.1 +/-    0.79  0.030 / 0.040
G05     161.2          45.6               16.8 +/-    1.26      22.5 +/-    1.26  0.030 / 0.040
G06     47.0           27.2               10.2 +/-    1.56      18.9 +/-    1.56  0.060 / 0.080
G12     242.8          79.6               12.6 +/-    0.63      12.7 +/-    0.63  0.060 / 0.070
G19     89.3           16.7               12.5 +/-    1.44      29.8 +/-    1.44  0.040 / 0.060
G20     197.1          13.5               19.4 +/-    2.64      50.0 +/-    2.64  0.050 / 0.060
G24     219.2          13.1               16.7 +/-    2.01      43.3 +/-    2.01  0.130 / 0.410
G25     309.7          47.0               13.6 +/-    1.35      17.8 +/-    1.35  0.110 / 0.420
G29     298.0          19.6               12.3 +/-    1.46      27.4 +/-    1.46  0.110 / 0.200