Kennelly-Heaviside layer

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Synonyms for Kennelly-Heaviside layer

a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length

References in periodicals archive ?
Outfitted with a fast and powerful AMD Turion processor, ATI Radeon X300 based graphics and a multi-format, doubl e-layer DVD burner, the eMachines W4620 notebook has a manufacturer's suggested retail price (MSRP) of $895 and is exclusively available at most Wal-Mart locations.
Under the NeXturf fabric, the padding options include: a 5/8-inch closed cell pad (black foam pad with holes) in it or a 1/2-inch recycled rubber pad that has binder (small stones) in it to give the impression of being paved, or a 19mm e-layer under a 3/8 closed cell pad.
One of the processes employed a plasma etching step to expose the player in the structure (1) and to expose the e-layer in structure (2).
Cushioning the entire system is an ultra-high quality 19-millimeter E-Layer TM pad that will enhance the safety aspects of the playing surface, protecting the Falcons' most precious commodity, its players, while giving the team a product that will easily stand up to the rigorous demands typical of NFL training facilities.
5 million dollars in local donations and $3 million dollars in grants, and selected Hellas' Matrix Turf and CUSHDRAIN E-Layer to give the Bulldogs one of the highest quality, safest, and most durable synthetic turf surfaces in the state of Oregon.