distance marker

distance marker

[′dis·təns ‚märk·ər]
(engineering)
One of a series of concentric circles, painted or otherwise fixed on the screen of a plan position indicator, from which the distance of a target from the radar antenna can be read directly; used for surveillance and navigation where the relative distances between a number of targets are required simultaneously. Also known as radar range marker; range marker.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Olympic running distance marker posts, in kilometres, are in place along the route from Tonteg to the Cross Inn end with access points for able bodied and disabled from roads and paths.
For this reason I refer to -so as a temporal distance marker (Sakel and Stapert 2010: 9).
Don't Panic was all the rage after his Spring Mile romp here last month, and the 6-4 favourite appeared to have sealed matters when edging on approaching the distance marker.
On three occasions he was a sitting duck at the distance marker, ready for the sucker punch, but he fought back every time and suggested he still had something in the tank."
Each individual fiber has a distance marker indicating the correct position of connector placement, allowing accuracy down to a few inches or less, depending on overall cable length.--Optical Cable Corp.
Having invested in new targets his first move was to take up the posts and replace them with a simulated green complete with flagstick and distance marker.
The Council has been investing in new paths, activity routes and distance markers since March 2018 with launches of new paths at locations including Stoke Heath Sports Ground (Morris Common) and Caludon Castle Park.
It is run on country roads around the villages of Houston and Bridge ofWeir with marshals in attendance and distance markers at each kilometre.
There will be steel inserts in the stone floor denoting the Commonwealth flag as well as direction and distance markers to all of the Commonwealth member state capitals.

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