reconnaissance

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reconnaissance

, reconnoissance
a preliminary inspection of an area of land before an engineering survey is made

Reconnaissance

 

in geodesy, inspection and examination of terrain to select the position of astronomical and geodetic reference points for topographical surveys. Reconnaissance work is done in conjunction with calculations of the elevation of geodetic signals, which are set up at reference points and ensure visibility between points. The calculations take into account the curvature of the earth, relief characteristics, and local obstacles to the taking of measurements.

reconnaissance

[ri′kän·ə·səns]
(engineering)
A mission to secure data concerning the meteorological, hydrographic, or geographic characteristics of a particular area.
(ordnance)
A mission undertaken to obtain, by visual observation or other detection methods, information about the activities and resources of an enemy or potential enemy.

reconnaissance

A general examination or survey of the main features, or certain specific features, of a region usually as a preliminary to a more detailed survey. The various types of reconnaissance include photo reconnaissance, radar reconnaissance, and visual reconnaissance.
References in periodicals archive ?
All it has done is to aid and abet the criminal fraternity by providing them with a ready-made mobile platform to assist them to scale the outer walls of our premises and reconnoitre at their leisure.
US soldier Steve Connors, sent to reconnoitre the situation, arrives in the seemingly deserted city, only to discover almost 300 children surviving, hidden in the sewers and rubble.
Lt General Leonid Sazhin, of Russia's Federal Security Service, said: "Terrorists don't need to reconnoitre their target.
Many of these designs, like the Recco range, have electronic tracking systems built in which are registered at `base camp' and transmit a pulse for easy reconnoitre if things go wrong.
A significant number of attacks originated from broadband or cable ISPs, suggesting that as bandwidth increases, so does the attackers' ability to reconnoitre potential targets quickly and more cheaply.
It appears he may have gone ahead to reconnoitre the way but has slipped and fallen.
US soldier Steve Connors, sent to reconnoitre the situation, arrives in the seemingly-deserted city, only to discover almost 300 children, hidden in the sewers and rubble and determined not to leave the place they call home.
But Allen hopes the chance to have a reconnoitre of the Blackburn side's Shawbridge home will benefit their chances of overcoming the 1996 Vase finalists.
My mission was to reconnoitre Whitechapel on a flat-hunting expedition, but in the absence of any helpful signs saying 'You are now entering Whitechapel High Street' or 'Whitechapel Bakers, Butchers, Newsagents'or similar, I overshot my destination.