pulse phasing
31Pendulum clock — A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element. From its invention in 1656 by Christiaan Huygens until the 1930s, the pendulum clock was the world s most accurate timekeeper, accounting for its… …
32Null fill — is used in radio antenna systems which are located on mountains or tall towers, to prevent too much of the signal from overshooting the nearest part of intended coverage area. Phasing is used between antenna elements to take power away from the… …
33Adult contemporary music — (AC) is a broad style of popular music that ranges from lush 1950s and 1960s vocal music[1] to predominantly ballad heavy music with varying degrees of rock influence,[2] as well as a radio format that plays such music. AC radio plays mainstream… …
34Radiofax — This article is about the image transmission mode. For the radio station, see Radiofax (radio station).Radiofax, also known as Weatherfax and HF fax due to its common use in the HF bands (shortwave), is an analogue mode for transmitting images in …
35Collins class submarine — HMAS Rankin, sixth submarine of the Collins class, underway in 2006 Class overview Builders: Australian Submarine Corporatio …
36WPSG — Infobox Broadcast call letters = WPSG station station slogan = So Philly. So You! station branding = The CW Philly (general) WakeUp News (morning newscasts) analog = 57 (UHF) digital = 32 (UHF) affiliations = The CW founded = airdate = June 15,… …
37Train event recorder — A Train event recorder (also called an On train monitoring recorder (OTMR)) is similar to the flight data recorder found on aircraft. It records data about the operation of train controls and performance in response to those controls and other… …
38SODAR — (SOnic Detection And Ranging), or sodar, is a meteorological instrument also known as a wind profiler which measures the scattering of sound waves by atmospheric turbulence. SODAR systems are used to measure wind speed at various heights above… …
39Bermuda Triangle Band — Infobox musical artist Name = Bermuda Triangle Band Img capt = Roger and Wendy of Bermuda Triangle at the New York Folk Festival, Central Park bandshell 1986 Img size = Landscape = yes Background = group or band Birth name = Alias = Roger Becket …
40Grady EMS — is a high volume hospital based EMS service in Atlanta, Georgia. Serving nearly 500,000 persons over 132 square miles, Grady EMS responded to over 92,000 calls for service in the year 2005. They are a System Status Management (SSM) practicing… …
