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Atmospheric duct
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21	DOCIO: [removed]fell !!(:R! I aXON i Intercept of USSR Missile Transmissions Add to Reading List Source URL: www.nsa.gov Language: English - Date: 2012-11-05 10:01:57 Radiation Plasma physics Space plasmas Sporadic E propagation Maximum usable frequency Aurora Tropospheric scatter Atmospheric duct Radio Atmosphere Physics Electromagnetic radiation
22	Long path experiments receiving beacon OA4B Add to Reading List Source URL: www.qsl.net Language: English - Date: 2010-05-21 16:59:34 Radio spectrum Technology Broadcast engineering Plasma physics Space plasmas Skywave Ionosphere Earth–ionosphere waveguide Atmospheric duct Electromagnetic radiation Wireless Atmosphere
23	Spec 200 Radio Code Line Ducting – Cause and Effect By Add to Reading List Source URL: www.arema.org Language: English - Date: 2001-10-19 11:28:46 Standards Aircraft instruments Advanced Train Control System ARINC CSX Transportation Positive train control Atmospheric duct Duct Rail transportation in the United States Transportation in the United States Transportation in North America
24 $Atmosphere / Geometrical optics / Physical optics / Glass physics / Novaya Zemlya effect / Atmospheric duct / Thermocline / Sun / Refraction / Optics / Physics / Electromagnetic radiation$	Novaya Zemlya effect: analysis of an observation Add to Reading List Source URL: home.cc.umanitoba.ca Language: English - Date: 2004-04-28 10:11:25 Atmosphere Geometrical optics Physical optics Glass physics Novaya Zemlya effect Atmospheric duct Thermocline Sun Refraction Optics Physics Electromagnetic radiation
25	Essay 9 Hydraulic Diameter for Non-Circular Ducts Add to Reading List Source URL: www.me.umn.edu Language: English - Date: 2009-10-13 21:55:42 Dynamics Mechanical engineering Heat transfer Aerodynamics Hydraulic diameter Reynolds number Duct Atmospheric duct Pipe Fluid dynamics Fluid mechanics Piping
26	PDF Document Add to Reading List Source URL: photonix.com.au Language: English - Date: 2010-03-04 12:51:51 Bracket Mathematics Duct Heating ventilating and air conditioning Atmospheric duct

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