PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-22:27:50
G08     299.5          22.5               11.9 +/-    1.97      24.6 +/-    1.97  0.030 / 0.040
G10     349.5          62.1               10.8 +/-    0.66      12.0 +/-    0.66  0.030 / 0.040
G14     224.3          41.1               14.3 +/-    1.48      20.4 +/-    1.48  0.050 / 0.080
G18     53.9           54.7               12.5 +/-    0.91      14.9 +/-    0.91  0.070 / 0.090
G21     141.5          45.3               13.8 +/-    0.79      18.6 +/-    0.79  0.080 / 0.100
G24     64.7           29.2               11.6 +/-    0.49      20.6 +/-    0.49  0.090 / 0.110
G27     260.9          34.8               13.9 +/-    1.50      22.2 +/-    1.50  0.040 / 0.070
G32     233.3          58.0               13.9 +/-    1.34      16.0 +/-    1.34  0.050 / 0.080