reconnaissance

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reconnaissance

, reconnoissance
a preliminary inspection of an area of land before an engineering survey is made
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
In yesterday's aerial surveillance patrol, the PCG Islander flew over Island Garden City of Samal, Pantukan, and Mati.
Persistent Aerial Surveillance Is Not Like the Aerial 179
Troops have been also put on alert to counter any untoward incident while aerial surveillance will be ensured for processions, the official sources said here on Sunday.
Aerial surveillance also helps identify locations of frequent congestion which helps direct patrols to these areas to ensure the smooth flow of traffic.
In Monday's letter, the pair also requested a detailed breakdown of how the DHS determined the reduction in aerial surveillance was warranted and information on how staffing and operation levels would be affected.
It's no secret that the nation's law enforcement agencies are increasingly engaging in aerial surveillance, which no doubt can provide important information for federal investigators.
The Treaty on Open Skies is designed to enhance mutual understanding by allowing unarmed aerial surveillance flights over the territories of its 34 current member states.
Army Natick Soldier Research, Development and Engineering Center in Massachusetts, is a small aerial surveillance device that will provide real-time surveillance of threats in environment.
The statement added in wake of fulfillment of its commitment to supporting efforts for a peaceful election, Islamabad reinforced security arrangements along the border, including through additional deployment of troops, increased patrols and aerial surveillance. Pakistan extended its best wishes to the Afghan people as they continue to move forward in this historic journey and take determined steps for peaceful democratic transition and greater stability in their country.
ESRD conducted its own aerial surveillance and could not detect an oil spill.
Among the questions posed by the congressional delegation's letter: "On what statutory authority is the EPA relying to conduct aerial surveillance inspections?"
The RAM Program includes developing automated, integrate& and scalable sensing suites to provide safer, smarter, and more cost-effective aerial surveillance for detection, identification, and communication of machinery threats (i.e., construction machinery often associated with third-party damage to pipeline infrastructure), changed conditions (erosion, subsidence), and leaks on pipeline right of ways and corridors.