PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/02-23:12:30
G08     293.7          23.3               14.3 +/-    1.56      29.2 +/-    1.56  0.040 / 0.040
G10     1.5            62.9               12.6 +/-    0.63      13.9 +/-    0.63  0.040 / 0.040
G14     228.8          46.4               18.9 +/-    1.43      25.0 +/-    1.43  0.050 / 0.090
G18     61.3           52.0               13.9 +/-    0.99      17.1 +/-    0.99  0.050 / 0.110
G21     144.9          40.1               17.9 +/-    0.87      26.0 +/-    0.87  0.050 / 0.100
G24     58.9           27.3               13.6 +/-    0.65      25.3 +/-    0.65  0.050 / 0.120
G27     254.5          32.3               15.8 +/-    1.25      26.4 +/-    1.25  0.070 / 0.090
G32     241.0          62.7               17.6 +/-    0.52      19.5 +/-    0.52  0.080 / 0.080