back azimuth

back azimuth

[′bak ′az·ə·məth]
(navigation)
An azimuth 180° from a given azimuth.
References in periodicals archive ?
We analyzed eleven teleseismic earthquakes recorded by USArray (a transportable seismic array) for back azimuth perturbations.
At this point I realized that we had been traveling on a back azimuth.
The ingenuity and flexibility of TACPs, whether serving with special forces on horseback in Afghanistan or using bomb-crater analysis to establish back azimuths to enemy firing locations, demonstrate their role as the vital nexus of the emerging air-ground dynamic.