PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/05-18:42:40
G08     298.7          22.3               15.2 +/-    1.56      31.7 +/-    1.56  0.060 / 0.070
G10     353.9          62.5               13.3 +/-    0.75      14.8 +/-    0.75  0.090 / 0.070
G14     225.7          41.9               18.9 +/-    2.10      26.7 +/-    2.10  0.060 / 0.110
G18     58.0           52.8               15.0 +/-    0.95      18.3 +/-    0.95  0.070 / 0.100
G21     142.4          40.6               18.9 +/-    0.94      27.3 +/-    0.94  0.040 / 0.030
G24     62.5           28.5               14.2 +/-    1.00      25.6 +/-    1.00  0.040 / 0.030
G27     258.9          34.0               17.5 +/-    1.06      28.3 +/-    1.06  0.050 / 0.080
G32     236.3          61.8               16.9 +/-    1.66      18.9 +/-    1.66  0.050 / 0.080