slant range


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slant range

[′slant ‚rānj]
(navigation)

slant range

The line-of-sight distance between two points not at the same elevation.

slant range

i. The line-of-sight distance between two points not at the same altitude or level relative to a specific datum.
ii. The actual distance between a ground-based radar and an airborne target. The range indicated by the radar is the slant range.
iii. The actual distance between an aircraft and a ground radio facility. This distance is more than the horizontal distance. A DME (distance-measuring equipment) indicator shows the slant-range distance. Also called a slant line.
References in periodicals archive ?
Once airspeed and dive angle are under control, my attention is then focused mainly on the slant range, target location, and piper placement end-game.
If the target is soft, they can shoot from 5 NM slant range and 18,000 feet above the ground into as close as they like, use the HEI pipper, and expect excellent results.
In terms of performance, the Lynx Block 20/30 offers a circa 30-cm resolution at around 50 km, and this increases to around ten centimetres at a slant range of 20 km.
The experiment's objective is to establish a high-bandwidth laser communication link between a low earth orbit (LEO) satellite and a fixed ground station, currently located at Table Mountain, California, with slant ranges up to 2000 km and data rates up to 1.
Flight test imagery, recorded from a variety of altitudes and stand-off slant ranges, demonstrated a three to four times improvement in target detection and recognition range when compared to current first generation systems.