PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/24-16:27:40
G02     8.2            72.0               11.5 +/-    0.54      12.0 +/-    0.54  0.120 / 0.190
G05     163.8          40.6               14.6 +/-    1.10      21.0 +/-    1.10  0.110 / 0.190
G06     44.6           32.7                9.8 +/-    1.03      16.2 +/-    1.03  0.030 / 0.040
G12     280.5          78.5               10.0 +/-    1.29      10.2 +/-    1.29  0.020 / 0.040
G19     85.0           19.8               11.3 +/-    1.89      25.0 +/-    1.89  0.070 / 0.080
G24     222.7          16.4               11.2 +/-    1.58      26.8 +/-    1.58  0.050 / 0.080
G25     313.7          40.6               12.3 +/-    4.33      17.7 +/-    4.33  0.070 / 0.070
G29     295.2          18.2               10.1 +/-    2.16      23.3 +/-    2.16  0.060 / 0.070